| atom | |
| 级别 | 第4级 |
| 音标 | [ ˈætəm ] |
| 解释 | n.原子；微粒，微量 |
| 英英释义 | the smallest unit of any chemical element , consisting of a positive nucleus surrounded by negative electrons . Atoms can combine to form a molecule |
| 发音 |  |
| 例句 |
1. For many years the atom was believed to be indivisible. 在过去有很多年原子一直被认为是不可分割的。 2. He could not get up an atom of sympathy for her. 他对她激不出一点同情心。 |
