n [U] chemical element, a shining white radioactive metal used in the treatment of some diseases, eg cancer 镭
*[attrib 作定语] radium therapy 镭疗法. =>App
1800-1900; Language: Modern Latin;Origin:Latin
a white metal that is radioactive
and is used in the treatment of diseases such as cancer
. It is a chemical element
: symbol Ra
1. Madame Curie will always be remembered as the discoverer of the element radium. 居里夫人这位镭元素的发现者,将永远为人们所怀念.
2. Radium is a radioactive element. 镭是个放射性元素。
3. Radium and uranium are radioactive elements. 镭和铀是放射性元素.