单词:polonium
音标:[pә'lәuniәm] ;
n. 钋
[化] 钋Po
[化] 钋Po
n. 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
词型变化:名词复数形式 : poloniums
词性分布:
polonium的用法和样例:
例句
用作名词(n.)
- Polonium is used to set off a nuclear bomb.钋被用来引爆炸弹。
- Polonium is a naturally radioactive metallic element.钋是一种具有天然辐射性的金属元素。
词汇搭配
- polonium dioxide[化] 二氧化钋...
【近义词】
- Po波河
单词:polonium 相关文章
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发表于:2019-03-02 / 阅读(85) / 评论(0)
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