First, idioms
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2, a vast expanse of whiteness, crisp autumn, majestic peaks, long grass warblers flying, cloudless Wan Li, continuous ups and downs, clear skies in Wan Li, cliffs, flowers, stormy waves, endless peaks, dark clouds, blue sky and golden wind.
Second, nature.
1, nature refers to nature in a narrow sense. It is a material world different from human society. That is, the inorganic world and organic world of natural science research. Nature exists objectively; It is the foundation for the growth of human beings, the product of nature. Category: About nature-water, air, mountains, rivers, microorganisms, plants, animals, earth, universe, etc.
2, all belong to the category of nature; The science of studying nature is natural science, including mathematics, physics, chemistry, biology, geography and so on. And these branches of science are very complicated. For example, biological sciences can be divided into microbiology, botany and zoology.
3. It can be divided into molecular biology, cytology, genetics, physiology, etc. The intersection of various disciplines will produce many branches, such as biochemistry, biophysics, molecular structure biology and so on. Classification: There are all kinds of creatures in nature, including plants, animals, bacteria and fungi. At the same time, nature is also a place containing various ecosystems.
Third, meaning.
1. Nature in a broad sense includes the whole objective material world including human society. This material world exists and changes in a natural way. Human consciousness is also a natural material world. Man and man's consciousness are the highest products of the development of nature. The material world is systematic, complex and infinitely diverse. It includes the known and unknown material world.
2. Nature in a narrow sense refers to the material world different from human society. That is, the inorganic world and organic world of natural science research. The relationship between nature and human society: nature is like butter on the side of bread, and human society is bread. Society refers to science and technology, humanities, greening, competition and commerce, which are all imaginary things, while nature is real things.