radium的例句（radium在句子中的用法）

• 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.
• Radon is the daughter of radium. 氡是镭的子体.
• Radium can be used to treat cancer. 镭可以用来治疗癌症.
• He was the discoverer of the element radium. 他是镭元素的发现者.