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A popular science composition about observing plants and finding something.
On the edge of my pond, there is an old weeping willow with a hunchback. The trunk of this old weeping willow is as straight as other weeping willows in the backyard. Why humpback?

Mom said: One day ten years ago, the sky was overcast, a gust of wind blew, and then it rained heavily. The weeping willow stood as strong as a soldier with open arms to block the wind and rain. The wind blows harder and harder, and it rains harder and harder. Suddenly, there was a loud noise and the weeping willow fell down.

The weeping willow tree fell into the pond, and its main root broke and stuck out of the ground, but it did not die and survived tenaciously. The remaining half of it is firmly stuck in the soil, guiding the "body" to be firmly fixed. Its "belly" immersed in water has produced many red whiskers, absorbing water and nutrients from the water. Its submerged branches and leaves are exposed to the water again and continue to grow upwards.

Ten years later, this old weeping willow has grown into a hunchbacked trunk, but its branches and leaves are still flourishing.

Next to the old weeping willows, there is a row of small weeping willows, which my father planted on the branches of weeping willows with his talent. Small weeping willows, with thick stems and thick leaves, grow with old weeping willows on the edge of my pond, which has become a beautiful scenery in my home.

My family has morning glory, aloe and chlorophytum, among which I like aloe best.

The stem of aloe vera is thick and strong. The blade bends downward, and there are many triangular serrations on the edge of the blade. All the leaves grow alternately, and none of them overlap. There is a film on the leaves. When you open it, you can see that the meat inside is very thick and juicy, and it is slippery and sticks to your face. It has red, white and yellow flowers. It is not afraid of drought, even if there is not a drop of water in the soil, it can live because its leaves are full of water.

I like aloe because aloe can diminish inflammation. Can be used for treating tracheitis and pharyngitis. If someone suffers from these diseases or injuries, they can treat them with aloe.

I water it every two weeks. Check whether aloe vera is dry when you go home every day. When I saw the green smile of aloe, I said to it, "Little aloe, are you thirsty?" Little Aloe seemed to hear what I said and replied, "Little master, go and do your homework. I am not thirsty. "

If you are tired of your homework, you can go to see the flowers and loosen the soil for them, so you will not be so tired. When it is sick, I will give it plenty of water and tell it, "Don't be afraid, be strong, and you will be fine." It seems to say, "little master, I will be fine, don't worry." Once I was sick, too. It seemed to say to me, "Don't be afraid, young master. If you have confidence in yourself like me, you will be fine. "

The indomitable spirit of aloe inspires me. When I encounter difficulties in my life and study, I will think of the spirit of aloe, stubbornly overcome difficulties and face life bravely.

Today, my mother bought some beans. She used up some useless things. I want to soak them and see what happens to them.

I first found three cups, one for water and the other two for red beans: mung beans and plum beans. I pour a third of the water into the first cup and the rest into the second cup. I also put some cotton under the first cup, but the water without cotton in the second cup seems to turn yellow at once. Bean skin is hard in the morning and soft in the afternoon.

The next day, the first cup of mung bean has sprouted, with a length of1mm. Yesterday, mung beans were dark green, but today they are light green. Red beans have turned pale red, but they haven't germinated yet. The mung bean in the other cup hasn't germinated yet. In the afternoon, the first cup of mung beans is 5 mm long, and the second cup of mung beans is still only 1 mm long. I thought it was very strange, so I looked for relevant books to read. I finally understand that plants can't grow well without temperature and humidity. If a mouse stays in the water for about two minutes, it will die, as will people and plants.

Through this observation, I learned that plants can't grow well without humidity and temperature.

The fourth grade composition is an interesting phenomenon discovered by observing animals and plants. Hi, Li Jicheng.

I am Zhang Ziyue, and I want to sponsor you.

O(∩_∩)O read the book Animal World and learned about the life characteristics and special abilities of woodpeckers and anteaters. From them, I suddenly thought of a problem and got an inspiration: in rural orchards, we often find pests crawling into tree trunks and mature fruits. In order to protect the fruit forest, farmers have to spray a lot of pesticides. What is the result? Not only is the cost high, but people eat it, and the pesticides that exceed the standard are scary. If pests are not killed in time, people have to cut down those "incurable" fruit trees.

In modern rural areas, it is impossible for so many woodpeckers to help fruit trees see a doctor.

Nature has given people a lot of inspiration. Planes were invented according to dragonflies, and streamlined boats were invented after whales at the bottom of the sea. So I'm thinking: why don't we make a portable pest control machine by imitating the mouth of woodpecker and the tongue of anteater? In this pest control machine, we can install a computer chip, so that it can accurately detect diseased trees. Then, we can press a red button on the handle, and a pointed hooked steel pipe similar to a woodpecker's mouth will pop out from it. It can accurately make a tiny hole in a tree with pests, and then hook it out with a hooked steel pipe mouth.

What about termites? Don't panic, we can put the steel pipe mouth in first, then press the green button, and an anteater-like tongue will pop out of it. As soon as the sticky long tongue "drills" into the hole, termites are easily and completely eliminated.

From woodpeckers and anteaters foraging, we got an inspiration and got an innovation O(∩_∩)O Hahaha ~ Add me! ! !

Once, I wanted to plant soybeans and observe the growth process of soybeans.

I'll prepare transparent plastic cups, dirt, paper towels and soybean seeds first.

Then spread paper towels around the cup and put more than half of the soil in the cup. Then, I put a seed between the cup and the tissue.

Finally, I grabbed a handful of dirt with my hand, put it in the cup, and poured some water to make the paper towel completely wet.

So I planted it.

A few days later, I came to the windowsill to observe the seeds.

I found that the color of the seeds changed a little: originally, the color of the seeds was yellow, but after these days, the color of the seeds was a little light, some were transparent, the seeds looked full, and even the seed coat was a little cracked.

Two days later, I came to the windowsill to observe the seeds.

To my surprise, the seeds germinated.

The outer shell of the seed cracked and a bud was drilled from the inside. The color of the bud is light yellow, slightly green. The top of the bud is pointed and looks very tender. This is the bud head, which grows downward.

Strange, why does the bud head grow down? A day later, I will observe the seeds again.

Seeds have changed greatly now and when they germinate. When they germinated, the shell of the seeds had just broken, but now most of them have fallen off.

The leaves in the seed have left their original position and are close to the surface. Two of them have drilled out of the soil. It was closed, but now it's gone, and there is a small bud in the middle.

I also found that each bud has two leaves, one of which is a thin vine.

Like a shape of love.

The lower part of the leaf is a little curved, like an old man carrying his back.

Five days later, when I came to the windowsill again, there were many small green bean sprouts in the cup.

Some have two leaves, some have four, but the middle two are smaller.

I also found that its leaves are two opposite pieces.

Now we know why the new bud of this seed grows downward.

That's because it's not a bud, but a root, so it should grow down.

When I came to the window sill to observe again, the soybean had changed from a seed to a bean sprout, and then a bean sprout grew up slowly ... Through this observation, I got a lot of knowledge: the seed of soybean is composed of seed coat, embryo and cotyledon, and the embryo can be divided into radicle and embryo, and radicle develops into the root of soybean, and embryo develops into the stem and leaf of soybean. When it germinates, the roots grow first, and the leaves of soybean are opposite.

Observing the composition of plants observing the diary of plants (garlic) March 1 Today, I took a piece of garlic and gently peeled a layer of white skin outside; Then I found an empty mineral water bottle, cut off the big piece on it, leaving only the bottom part; Then pour in half the water, and then put the garlic in.

Know what I'm doing? Yes, I'm kind of garlic.

Today, on March 2nd, I found that garlic was a little green on its head.

Garlic is going to sprout! I quickly changed a bottle of water and found that the roots had grown. I took a ruler and measured it. The root is only a little long, about1mm.

Today, March 4th, I came to see my garlic. Ah, the garlic bud was a little hazy the day before yesterday, so I couldn't see it clearly. Now the green shoots have been drilled out, there are two * * *, about 7 mm long.

Afraid of insufficient nutrition in the water, I changed the water again.

Today, on March 5th, I found that the green shoots of garlic grew, about 1 cm long, and the other one grew faster, with a total length of1.3cm..

When changing water, it was found that the garlic root was 4 mm long and * * * was 5 mm long.

Today, March 6th, I found that garlic is so weak.

It may be malnutrition, so I added two kinds of compound fertilizers to it, hoping it can grow up quickly and grow strong. Today, on March 8, I found that the little green shoots of garlic really grew tall and strong. I was so happy that I quickly added another compound fertilizer for fear that the nutrients in the water could not satisfy the growth of garlic.

I also found that two small green shoots grew 1 cm, the tallest 2.5 cm and the shortest 2 cm.

Garlic roots have also become spiral.

Today, on March 9, I found that the green shoots of garlic grew by 3 mm, the highest was 2.9 cm, the middle was 2.3 cm and the shortest was 6 mm.

I can't measure garlic roots with a ruler, because the roots are twisted. I estimate that they are 6 mm long.

Today, on March 10, it was found that one of the three green shoots was drilled out, less than 1 mm, and a compound fertilizer was added.

I take a ruler. The longest one is 3 cm long, but it is still too weak. Maybe it's because of malnutrition and lack of sunshine. So I planted it in a flowerpot and put it on the balcony where the sun can shine, so that it can have enough nutrients and sunshine. With soil and plenty of sunshine, it will grow faster and better! 18 ...

Last term, we learned a text called mimosa.

So I met mimosa.

The original name of mimosa is proud grass. Because it was so proud, the owner put it with other beautiful flowers. It is shy, and it will be "shy" as long as others touch it.

It is really a lovely grass that can correct mistakes, and I can't help falling in love with it.

Can mimosa really be "shy"? I think it is amazing. It was just the summer vacation, and my mother bought me a pot for me to observe carefully.

Sure enough, when I touched it, it broke the leaf.

After a while, I went to observe it again and found that its leaves were loose.

Why are you "shy"? Does it really have thoughts and feelings like people? What's the scientific mystery in this? I found the answer from the book. It turns out that there is a leaf pillow at the base of the petiole of the mimosa, which is full of water and bulging.

When shaking, the water in the cells in the lower part of the occipital bone will immediately flow to the upper part and both sides, so the lower part of the occipital bone will be depressed, the upper part will be raised, and the lobules will be closed.

But it will recover after a while.

I see, this plain still contains profound principles of natural science.

What an interesting and lovely mimosa.

If you ask me what plants I like, I will answer-bamboo.

If you ask me what I like about bamboo, I will answer: "Because bamboo is one of the' three-year-old cold friends' and one of the' four gentlemen', its strong will and character of not being afraid of cold are also something we should learn, so I like it.

"Bamboo, what an ordinary plant! Its tenacious vitality is really amazing! It "had a knot before it was unearthed", and when it grew up, it was so high that people couldn't see its head.

Bamboo has a wide range of uses: bamboo shoots can be eaten, bamboo can be used as floors and mats ... in short, bamboo traces can appear in every corner of the house, and we can see bamboo everywhere, and bamboo has spread to all aspects of life.

Bamboo is green, like jasper.

From a distance, it looks like a green fairy; Close up, it looks like a piece of jasper. It's really beautiful.

When the wind blows, bamboo leaves sound like nature.

I would like to turn into a bamboo, stand on the side of the road and contribute silently ... I named the sunflower "Sunflower".

Because it has a proud character, whenever everything grows, it is always the first to see the sun and keep staring at it. Where the sun is, it is there. It's really interesting.

"Sunflower" is a seedling, and its body is tough. In its body, bright green leaves as wide as the palm of your hand spread out. Dewdrops rolled on the leaves and shone like silver beads in the sun.

Sunlight and rain make "sunflower" grow day by day. Its pale green waist is quite thick, proudly tall and straight, like a sentry on the grassland.

Slowly, the sunflower finally appeared in a green hat. Golden petals turn around along the hat, and the little head is tightly buckled by the hat, refusing to show his face! "Sunflower" opened its eyes and saw the warm sunshine smiling at it, and the breeze and drizzle were dressing it up. It showed a beautiful big face of Zhang Yuanyuan with joy.

Sunflower is still a sensible child. Nature has given it everything, and it should also be dedicated to people.

It puts rich fruits on its face, and the dense seeds are extremely full.

What a lovely sunflower! I believe everyone has a favorite plant, and I also have a favorite plant, which is camel grass. Maybe you haven't heard of camel grass, so let me introduce you to camel grass! Camel grass grew up in a busy desert. During the day, it is exposed to the hot sun, and at night, it is subjected to the test of cold. However, camel grass is not afraid of such an environment, and lives silently in the desert.

Camel grass has no gorgeous coat. Like peanuts, it makes contributions in obscurity, but it is not sad for its own life. It plunged its roots into the barren gravel, then struggled to keep the roots rooted, and finally plunged into the groundwater, so it saved its life. If it doesn't have tenacious vitality, I believe its roots should be sunburned or frozen to death before they plunge into the water.

It has no flowers, no green leaves and no tall and straight stems. What looks ordinary can't be more ordinary. However, such ordinary grass is regarded as a treasure by local people, and it can be divided into "life grass", "life-saving grass" and "selfless grass". The reason why it is selfless is that when the camel team that has traveled long distances can't find water to drink and is dying of thirst, it selflessly puts its own.

Camel grass: You are not as afraid of death as a cactus. You surround your body with thorns. You are not as arrogant as Peony and Canna. I like this ordinary camel grass. Their selfless dedication should be learned by everyone.

Once, I wanted to plant soybeans and observe the growth process of soybeans.

I'll prepare transparent plastic cups, dirt, paper towels and soybean seeds first.

Then spread paper towels around the cup and put more than half of the soil in the cup. Then, I put a seed between the cup and the tissue.

Finally, I grabbed a handful of dirt with my hand, put it in the cup, and poured some water to make the paper towel completely wet.

So I planted it.

A few days later, I came to the windowsill to observe the seeds.

I found that the color of the seeds changed a little: originally, the color of the seeds was yellow, but after these days, the color of the seeds was a little light, some were transparent, the seeds looked full, and even the seed coat was a little cracked.

Two days later, I came to the windowsill to observe the seeds.

To my surprise, the seeds germinated.

The outer shell of the seed cracked and a bud was drilled from the inside. The color of the bud is light yellow, slightly green. The top of the bud is pointed and looks very tender. This is the bud head, which grows downward.

Strange, why does the bud head grow down? A day later, I will observe the seeds again.

Seeds have changed greatly now and when they germinate. When they germinated, the shell of the seeds had just broken, but now most of them have fallen off.

The leaves in the seed have left their original position and are close to the surface. Two trees emerged from the soil. Originally it was closed, but now it is scattered, with a small bud in the middle.

I also found that each bud has two leaves, one of which is a thin vine.

Like a shape of love.

The lower part of the leaf is a little curved, like an old man carrying his back.

Five days later, when I came to the windowsill again, there were many small green bean sprouts in the cup.

Some have two leaves, some have four, but the middle two are smaller.

I also found that its leaves are two opposite pieces.

Now we know why the new bud of this seed grows downward.

That's because it's not a bud, but a root, so it should grow down.

When I came to the window sill to observe again, the soybean had changed from a seed to a bean sprout, and then a bean sprout grew up slowly ... Through this observation, I got a lot of knowledge: the seed of soybean is composed of seed coat, embryo and cotyledon, and the embryo can be divided into radicle and embryo. The radicle develops into the root of soybean, and the embryo develops into the stem and leaf of soybean. The root is long when it germinates, and the leaf of soybean is opposite.

...

The fourth grade composition is an interesting phenomenon discovered by observing animals and plants. Hi, Li Jicheng.

I am Zhang Ziyue, and I want to sponsor you.

O(∩_∩)O read the book Animal World and learned about the life characteristics and special abilities of woodpeckers and anteaters. From them, I suddenly thought of a problem and got an inspiration: in rural orchards, we often find pests crawling into tree trunks and mature fruits. In order to protect the fruit forest, farmers have to spray a lot of pesticides. What is the result? Not only is the cost high, but people eat it, and the pesticides that exceed the standard are scary. If pests are not killed in time, people have to cut down those "incurable" fruit trees.

In modern rural areas, it is impossible for so many woodpeckers to help fruit trees see a doctor.

Nature has given people a lot of inspiration. Planes were invented according to dragonflies, and streamlined boats were invented after whales at the bottom of the sea. So I'm thinking: why don't we make a portable pest control machine by imitating the mouth of woodpecker and the tongue of anteater? In this pest control machine, we can install a computer chip, so that it can accurately detect diseased trees. Then, we can press a red button on the handle, and a pointed hooked steel pipe similar to a woodpecker's mouth will pop out from it. It can accurately make a tiny hole in a tree with pests, and then hook it out with a hooked steel pipe mouth.

What about termites? Don't panic, we can put the steel pipe mouth in first, then press the green button, and an anteater-like tongue will pop out of it. As soon as the sticky long tongue "drills" into the hole, termites are easily and completely eliminated.

From woodpeckers and anteaters foraging, we got an inspiration and got an innovation O(∩_∩)O Hahaha ~ Add me! ! ! ...

There is a ginkgo forest in Hangzhou Zhao Hui Park, which is one of the most beautiful autumn colors in Hangzhou.

In the morning, a ray of sunshine brought me into the colorful painting scene.

I saw two rows of tall ginkgo trees beside me are so tall and straight, its branches are so slender, and its folding fan-like leaves are so full of vitality.

Looking from a distance, a touch of gold appears in mid-air, just like thousands of butterflies flying in mid-air.

A breeze blew through the branches, and countless golden leaves shone in mid-air like many dazzling stars, making a rustling sound from top to bottom, echoing in the forest like an elegant music.

Look at the branches again, the golden leaves are like a group of cleverness, dancing on the branches with the song and the deep autumn.

Your branches are so straight, I want to be a sentry on the grassland; How slender your branches are, like dancing with soft arms; How delicate your leaves are, like handfuls of long-handled fans.

You are so beautiful. You are intoxicating.

Ginkgo tree is also called ginkgo tree and wild sun tree, which means that grandchildren can bear fruit only when they plant trees.

My mother told me: "Ginkgo tree describes its life course in the way of' 30 years of flowering, 30 years of fruit and 60 years of reincarnation'.

I like to bend down and gently pick up the golden ginkgo leaves on the ground with a few good friends under the white clouds in late autumn. It always carries the thick autumn feeling and a dozen leaves with perfect shapes, and takes them back to be used as bookmarks in books. I like it. I like to take photos with my good friends in this beautiful background.

I always lived in my grandmother's house when I was a child.

At that time, many beautiful flowers were planted in grandma's yard.

There are winter jasmine and peony flowers in spring; There are sunflowers and crab claw lotus in summer; There are chrysanthemums and a bunch of red flowers in autumn, wintersweet and daffodils in summer.

Among them, I like daffodil best, its appearance and its "heart" better.

Although not as charming as peony, not as red as sunflower, not as attractive as chrysanthemum, not as intoxicating as wintersweet.

But daffodils are slender and graceful, and daffodils are clean and clear.

There is a bigger reason: "daffodils are tenacious."

Narcissus is known as "Ling Boxian".

Indeed, its moving posture makes people fall in love at first sight.

Those daffodils in grandma's house are very beautiful.

In January, daffodils are in full bloom! Its emerald-like green leaves are green and bright. Among the criss-crossing green leaves, there are several white and flawless flowers embedded with a golden stamen, which exudes a faint fragrance and looks particularly elegant.

Narcissus has nothing to do with soil, and rain flower stone is its "soil".

I think: I want my mind to be as pure and white as it is, without any sludge.

Daffodils have roots like big onions, with white roots below. They are like earthworms growing around hard raindrops, very stubborn.

A gust of wind blew, and Xiaohua shook her head and her soft body. It's like dancing on the water stone in a crystal dress, which makes people relaxed and happy.

In winter, many flowers can't stand the test of cold and fate-wither.

However, daffodils are not afraid. When it is freezing and snowy outside, it stands proudly, still full of vitality and vitality, as if fighting against the cold wind, perseverance, making people love it more and more.

I love narcissus! Love its beauty and fragrance, love its nobility and purity, love its tenacity and unyielding. ...

There are several mimosa plants on the lawn of our community. I pay special attention to them because they are different and arouse my curiosity.

In spring, the mimosa sprouts, green, and the pole is only 1 to 2 decimeters long.

In summer, mimosa is luxuriant in foliage and leaves are very strange. It is a very thin stem, and there are some fine things like small needles on both sides, much like the leaves of Metasequoia glyptostroboides.

In autumn, mimosa blooms, and small flowers are fluffy, pink and purple.

Although it is small and unremarkable, when you look closely, you will find it beautiful and lovely. This is a delicate beauty, very charming.

In late autumn and early winter, mimosa will bear fruit, just like lentils, with a green shell outside and seeds inside.

After a while, the shell turns brown. Soon, the seeds jumped out of the shell and landed on the soil. When it takes root and sprouts next spring, it will reproduce from generation to generation, and its interest rate is no different from other plants.

What makes people wonder is why the leaves droop and close when they touch it. I was puzzled, so I had to look for information on the Internet.

It turns out that mimosa once lived in the desert, and tornadoes often appeared in the desert. When the sand rolled up by the wind touched the leaves of mimosa, mimosa felt very painful and the leaves closed.

In the long run, it will become grass that closes as soon as it touches leaves.

There is a pouch for storing liquid on the stem of the petiole of mimosa, just like an oil cylinder in a hydraulic press.

Usually, the bag is full of liquid. When you touch the leaves, the liquid in the bag flows to the upper and both sides of the leaves, and the leaves close under the action of gravity. Calm down for a while, the liquid slowly flows back into the bag from both sides, and the leaves spread out again.

Sometimes, I touch them on purpose and make fun of them.

My cactus has a flat stem with many thorns on it.

I once heard the teacher say that cactus has adapted to the desert climate, its leaves have turned into thorns, its stems have become fat and fleshy, and it has grown a lot of hair.

Its stem is enlarged because it needs to store nutrients in rainy season and reduce water evaporation in dry season.

I was shocked by its "survival of the fittest".

However, what shocked me even more was an incident that happened in the summer vacation.

I remember that during the summer vacation, my cousin, four years older than me, came to visit, and somehow a sore grew on his foot, which made him cry and scream, which can be said to be fidgeting.

Later, my mother didn't know which book to find a remedy: cut cactus into pieces, mash it and apply it to the sore.

I cried as soon as I heard it. "Want to cut my baby? No! " My mother and my brother prepared for a long time before I promised them to cut a piece.

After a few days, the sore on my cousin's foot really disappeared.

I thought, "This method is clever, but my cactus is definitely going to die."

A few days later, the "wound" of cactus slowly dried up and healed, leaving only a white scar.

At this time, I can't help but respect cactus. ...

There are only a large number of genes or cell groups in the cloning technology of cloned animals and plants, and the target genes or cell technical operations can be obtained through asexual reproduction and selection.

Now the resources of the earth are greatly reduced, and some animals starve to death because they have nothing to eat.

Or some are killed, and the animals are extinct; Trees are destroyed, tall buildings are rising, and the land full of vitality and green will become a desert.

First, I want to clone plants.

I want to make tree cells reproduce asexually, form a group of offspring individuals with the same genotype by asexual reproduction, cut the tree into several sections, dig a pit, bury it in the pit and water it. Seven or eight hours later, the saplings will appear in front of me, so that the number will increase and the earth will turn green again.

And cherish the number of clones, there is no affected area, and there is no need to worry that the tree will take root again. Only if you clone it again, it will grow once, and it won't grow casually.

How miserable it is to have trees and no animals! Therefore, I can clone animals, exchange male and female cells, and reproduce faster, so that endangered animals will have offspring, animals will be protected by human beings, and biological resources will be greatly increased, so that they will not be afraid of eating meat and eating will not be so monotonous.

What I cloned is not only beneficial to people, but also beneficial to the earth (1). Animals and plants are closely related to our lives.

To write them well, we must pay attention to: first, we must be able to grasp the characteristics through observation and sketch the external forms of animals and plants.

This form should be complete, and if it is a whole, there must be branches and leaves.

Second, the detailed description should be specific.

Animals are diverse, so are plants; There are big or small differences between animals and plants.

Only by describing the details concretely can we give people a vivid impression.

Third, we should pay attention to the characteristics of animals and plants.

All kinds of animals and plants have remarkable characteristics. If we can accurately grasp their different characteristics and habits and describe them in detail, we can vividly describe them.

Four, the relationship between animals and plants and people is very close. When describing, you must write your own likes and dislikes about it and learn to associate it with people.

Only in this way can the article appear substantial.

Fifth, we should pay attention to accurate words and appropriate metaphors, and also write some knowledge about animals and plants and their symbolic significance.

Sixth, we should pay attention to the dynamic and static characteristics of plants.

Different animals and plants have different motivations.

The size, shape, color and smell of animals and plants are easy to show in static state, while their characteristics are often easy to show in dynamic state.

(2) In daily life, there are many objects and buildings that everyone likes. When writing, we should pay attention to: 1. Grasp the shape, size, color and characteristics of the object to be described, and use the method from the outside to the inside to describe its general outline more accurately.

Second, carefully observe the various components of the article, describe the most representative features in detail, and deepen people's impression of it.

Third, we should dig out the internal relations between things, as well as some inspiring life philosophies and beautiful tastes contained in things, and show them by means of "expressing feelings with things" and "expressing aspirations with things".

Fourth, to reveal the relationship between yourself and this thing, you must move your thoughts and feelings into this thing and write your true feelings.

Please indicate the source? A popular science composition about observing plants and finding something.