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- radium electroscope 镭检电器
- Radium and uranium are radioactive elements. 镭和铀是放射性元素。
- He was the discoverer of the element radium. 他是镭元素的发现者。
- The leaves of the electroscope slowly diverge. 验电器的叶片慢慢张开。
- Radium is a radioactive element. 镭是个放射性元素。
- At one end of the barrel there was some radium. 枪管的一端装有镭。
- Who is the scientist that first discover Radium? 最先发现镭的科学家是谁?
- Who is the scientist that first discovers Radium? 最先发现镭的科学家是谁?
- Who was the discoverer of Radium? 谁是镭的发现者?
- Madam Curie is known for discovering Radium. 居里夫人因为发现了镭而闻名于世。
- Madame Curie discovered the element of radium. 居里夫人发现了镭元素。
- Radium and uraniumare radioactive elements. 镭和铀是放射性元素。
- Radium can be used to cure cancer. 镭可用来治疗癌症。
- Radium is still used today for curing cancer. 今天镭仍被用来治癌。
- Her electroscope was a metal case with two holes in its side. 她的验电器是一个金属盒子，旁边有两个小孔。
- Who is the scientist firstly find radium ? 首先发现镭的科学家是谁?
- Radioactivity is a special quality of radium. 放射性是镭的一种特性。
- Radium and penicillin were discovered . 发现了镭和青霉素。
- Radium can be used to treat cancer. 镭可以用来治疗癌症。
- Radon is the daughter of radium. 氡是镭的子体。
