radium
n. 镭 [化] 镭Ra
发音
词形变化
教材释义与例句
[化学] 镭（88号元素符号Ra）
a white metal that is radioactive and is used in the treatment of diseases such as cancer . It is a chemical element : symbol Ra
镭（88号元素符号Ra）
Madame Curie discovered radium.
居里夫人发现了镭。
The radiation radius of the radioactive radium radiator in the stadium is variable.
放射性的镭暖气装置的辐射半径在体育场是易变的。
Madame Curie was the physicist with expertise in chemistry that, in 1898, discovered the radioactive substances of radium and polonium in Paris, France.
居里夫人是一位具有化学专门知识的物理学家。 1898年，她在法国巴黎发现了放射性物质的镭和钋。
释义与例句
-
1.
The chemical element (symbol Ra) with an atomic number of 88. It is a soft, shiny and silvery radioactive alkaline earth metal.
镭
可数 不可数 -
2.
A type of cloth woven from silk or synthetic yarn, often with a shiny appearance.
可数 过时 不可数 商务 工程
-
1.
To treat (a tumour, etc.) with radium.
及物/不及物 废旧
词汇关系
相关短语
词源
Borrowed from French radium, from rad(ioactif) (“radioactive”) + -ium (suffix used to form the names of metallic elements).
来源：wiktionary