处理镭需要严格的安全措施。

Handling radium requires strict safety measures.

如果处理不当，镭可能是危险的。

Radium can be hazardous if not handled properly.

镭曾经被用于手表的发光涂料。

Radium was once used in luminous paint for watches.

科学家在20世纪初发现了镭。

The scientist discovered radium in the early 20th century.

居里发现了镭和钋。

Curie discovered radium and polonium.

镭的特性使其在医疗治疗中很有用。

The properties of radium make it useful in medical treatments.

放射性是镭的一种特性。

Radium Radioactivity is a special quality of radium.

镭是一种放射性元素。

Radium is a radioactive element.

居里夫人发现了镭元素。

Who is the scientist firstly find radium?

居里夫人发现了镭元素。

Madame Curie discovered the element radium.