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- Radium and uranium are radioactive elements. 镭和铀是放射性元素。
- radium carbonate 碳酸镭
- I make a carbon copy of my documents. 我用复写纸复写文件。
- Soft drinks contain carbon dioxide. 软饮料中含有二氧化碳。
- He was the discoverer of the element radium. 他是镭元素的发现者。
- I have some carbon paper somewhere or other. 我记得我在什么地方放有复写纸。
- She's a carbon copy of her sister. 她跟她姐姐一模一样。
- 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。
- The crude sodium carbonate ash obtained from these plants. 苏打灰从这些植物中获得的粗碳酸钠灰
- Who is the scientist that first discover Radium? 最先发现镭的科学家是谁?
- A copy made by using carbon paper. 复写本,副本用复写纸复印的一份
- Who is the scientist that first discovers Radium? 最先发现镭的科学家是谁?
- Plants can absorb carbon dioxide and release oxygen. 植物可以吸收二氧化碳释放氧气。
- 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。
- Limestone is rock composed of calcium carbonate. 石灰石是由碳酸钙所构成的岩石。