Radium can be used to treat cancer.镭可以用来治疗癌症.Radium can be fixed some distance from its original source.镭在离它的原始母体一定距离上固定下来.He was the discoverer of the element radium.他是镭元素的发现者.Radon is the daughter of radium.氡是镭的子体....

嗅检器...

Radium can be used to treat cancer.镭可以用来治疗癌症.Radon is the daughter of radium.氡是镭的子体.Radium can be fixed some distance from its original source.镭在离它的原始母体一定距离上固定下来....

asphradium的音标：asphradium的英式发音音标为：[æsph'reɪdɪəm]asphradium的美式发音音标为：[æsph'reɪdɪrm]...

radium的音标：radium的英式发音音标为：['reɪdiəm]radium的美式发音音标为：['rediəm]...

n.镭(88号元素符号Ra)...