radium是什么意思_例句

radium['reidiәm]

学习资料

[意思]n. 镭
[例] He was the discoverer of the element radium. 他是镭元素的发现者。

更多意思

n.镭

参考例句

1.	Radium and uranium are radioactive elements.
	镭和铀是放射性元素。
2.	Radium is a silver-white metal, which tarnishes rapidly on contact with air.
	镭是一种银白色的金属，它一接触空气就迅速失去光泽。
3.	a pack of radium
	镭源
4.	use radium in the treatment of earner
	用放射疗法治疗癌症
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