radium

简写符号：

简写符号: Ra

更多词形：

简写符号: Ra |

单词例句：

Tell me when Radium was discovered.

告诉我镭是什么时候被发现的。

To this something still unseenthey gave the name radium.

他们给这种人们尚未看到的东西命名为镭。

It was Madame Curie and her husband who discovered radium.

是居里夫人和她的丈夫发现了镭。

Radium and penicillin were discovered .

发现了镭和青霉素。

At one end of the barrel there was some radium.

枪管的一端装有镭。

It was Madame Curie who discovered the element radium.

是居里夫人发现了镭元素。

Which mineral would you use to protect yourself against radium?

你会用哪种矿物来保护自己不受镭的伤害呢?

Madame Curie discovered pure radium in 1902.

居里夫人1902年发现了镭。

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。