Level 4 · word 4,157 of 20,000
atom
/ˈætəm/
American

- n. 原子, 微粒, 微量
- Definition
- n. the smallest basic unit of matter, or a very tiny amount
- Example
- Every atom in the table is made of tiny particles.
- 桌子里的每一个原子都是由微小的粒子组成的。