promethium
美 [pr?'mi:θi?m]
英 [pr?'mi:θi?m] ![]()
英漢雙解
1. | 钷(放射性化學元素)a chemical element. Promethium is a radioactive metal that was first produced artificially in a nuclear reactor and is found in small amounts in nature. |
英漢解釋
n. | 1. 【化】钷 |
英英解釋
n. |
例句
Promethium-
promethium (
钷(