Pronunciation: lǐ

Explanation:

1. The phonetic sound of Li's name. From wood, son sound. Original meaning: plum tree.

2. Prison officer. Tong "reason"

3. Star names. That is Spica.

4. Surname: one of the hundreds of surnames, see Li surname.

Sentences:

1. Grandpa is an old professor with high moral standing and a rich family.

2. The old principal has devoted himself to primary school education for thirty years, and his achievements are everywhere.

3. Grandma has been teaching for more than thirty years, and now she has students all over the world.

4. Teacher Wang has been teaching for more than 30 years and has many talents all over the world.

5. He has been a teacher for 40 years and is now famous all over the world.