Marie Curie discovered radium in 1898.
玛丽·居里于1898年发现了镭。
The element radium is highly radioactive.
元素镭具有高度放射性。
Radium was used in luminous paint for watches.
镭曾用于手表的夜光涂料。
Exposure to radium can cause serious health issues.
暴露在镭下会引起严重的健康问题。
Scientists study radium to understand radioactivity.
科学家研究镭以了解放射性。
The half-life of radium is 1,600 years.
镭的半衰期为1600年。
Radium was once used in cancer treatment.
镭曾被用于癌症治疗。
The glow of radium is due to its radioactivity.
镭的发光是由于其放射性。
Marie and Pierre Curie isolated radium.
玛丽和皮埃尔·居里分离出了镭。
Handling radium requires special safety measures.
处理镭需要特殊的安全措施。
