您要查找的是不是：
- Radium and uranium are radioactive elements. 镭和铀是放射性元素。
- radium contamination 镭污染
- He was the discoverer of the element radium. 他是镭元素的发现者。
- 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?
- Contamination can't be ruled out entirely. 污染是不能完全清除的。
- Who is the scientist that first discovers Radium? 最先发现镭的科学家是谁?
- The brass surface must be free of contamination. 黄铜表面必须未经沾污。
- Such contamination has been extensively studied. 人们对这种污染进行了大量研究。
- Who was the discoverer of Radium? 谁是镭的发现者?
- Moral contamination or corruption. 腐蚀精神上被腐化或堕落
- Madam Curie is known for discovering Radium. 居里夫人因为发现了镭而闻名于世。
- The contamination should be removed. 应该清除掉污染。
- Madame Curie discovered the element of radium. 居里夫人发现了镭元素。
- An abnormal fear of dirt or contamination. 不洁恐怖对污物或污染的异常恐惧
- 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。
- No product contamination absolute tightness. 没有产品污染的绝对气密性。
- Radium is still used today for curing cancer. 今天镭仍被用来治癌。
