francium英语翻译,francium单词什么意思,francium相关单词词语

francium

英[ˈfrænsiəm] 美[ˈfrænsiəm]

francium

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.

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