| radium | |
| 级别 | 第4级 |
| 音标 | [ ˈreɪdiəm ] |
| 解释 | n.镭 |
| 英英释义 | a radioactive element which is used in the treatment of some diseases , especially cancer |
| 发音 |  |
| 例句 |
1. Radium can be used to treat cancer. 镭可以用来治疗癌症。 2. He was the discoverer of the element radium. 他是镭元素的发现者。 |
