polonium
n.
[化]釙（元素符號Po）
英語翻譯 Noun:
-
a radioactive metallic element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor
造句
用作名詞(n.)
- Polonium is used to set off a nuclear bomb.
釙被用來引爆炸彈。
- Polonium is a naturally radioactive metallic element.
釙是一種具有天然輻射性的金屬元素。
常用短語
-
polonium dioxide
[化] 二氧化釙...
|