radium-

常见例句

Radium and uranium are radioactive elements.
镭和铀是放射性元素。
He was the discoverer of the element radium.
他是镭元素的发现者。
Radium is a radioactive element.
镭是个放射性元素。
At one end of the barrel there was some radium.
枪管的一端装有镭。
Who is the scientist that first discover Radium?
最先发现镭的科学家是谁?
Who is the scientist that first discovers Radium?
最先发现镭的科学家是谁?