例句
We learned about radium during our science lesson today.
今天的科学课上，我们学习了有关镭的知识。
The discovery of radium advanced scientific understanding of radioactivity, although its health risks were initially underestimated.
镭的发现推动了科学界对放射性的认识，但其健康风险起初被低估了。
常用搭配
- radium decay｜镭的衰变
- radium exposure｜镭暴露
- radium isotopes｜镭同位素
用法提示
radium是不可数名词，元素符号为Ra。