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- Radium and uranium are radioactive elements. 镭和铀是放射性元素。
- radium holder 镭持器
- He was the discoverer of the element radium. 他是镭元素的发现者。
- Cardboard holder for document, which can fit in the drawer of a filing cabinet. 存文件用的硬纸夹。这些文件夹可恰好放在券宗柜的抽屉内。
- Radium is a radioactive element. 镭是个放射性元素。
- I'm used to smoking with a cigarette holder. 我习惯用烟嘴抽烟。
- At one end of the barrel there was some radium. 枪管的一端装有镭。
- Season- ticket holder will receive a refund if their train is cancelled. 定期车票持有者在其车次被取消时可获得退款。
- Who is the scientist that first discover Radium? 最先发现镭的科学家是谁?
- Place cable in groove of cable holder. 在钢索支架槽中放置钢索。
- This plant of pot holder is his birthday present. 这个花盆支架是他的生日礼物。
- Who is the scientist that first discovers Radium? 最先发现镭的科学家是谁?
- Laughing, Huggins puffed at his holder. 哈金斯笑着吹他的烟嘴。
- Who was the discoverer of Radium? 谁是镭的发现者?
- Secondly, it introduces universal lamp holder. 介绍一种通用型光源灯座。
- Madam Curie is known for discovering Radium. 居里夫人因为发现了镭而闻名于世。
- Open the cassette holder and insert a cassette. 打开卡带架并装入卡带
- Madame Curie discovered the element of radium. 居里夫人发现了镭元素。
- The holder or operator of a concession. 权利的受让人特许权的拥有者或实行者
- Radium and uraniumare radioactive elements. 镭和铀是放射性元素。