radium的意思

基本释义

• n [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

例句

1. Madame Curie discovered radium.

   居里夫人发现了镭。

2. 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。

3. 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。