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英语单词

francium是什么意思

francium

英[ˈfrænsiəm] 美[ˈfrænsiəm]
  • n.(放射性元素)钫(符Fr)






双语例句


1 . The half - life of francium is 22 minutes.
钫的半衰期是22分钟.

来自辞典例句

2 . Francium is the densest of the Alkali Metals and also radioactive.
钫是碱金属中密度最大的,具有放射性.

来自互联网

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