铀238

fertile uranium的用法和样例:

例句

  1. Radium and uranium are radioactive elements.镭和铀是放射性元素。
  2. Uranium is used to fuel nuclear plants.铀用作核电厂的燃料。

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发表于:2019-01-10 / 阅读(182) / 评论(0) 分类 高中英语北京必修模块

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发表于:2019-01-16 / 阅读(90) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

By Nancy-Amelia Collins Sydney 07 September 2007 Russia has signed a deal to import Australian uranium for Russia's nuclear energy program. The two countries were quick to assure the world that the material would be used only for peacetime nuclear pu

发表于:2019-01-25 / 阅读(91) / 评论(0) 分类 2007年VOA标准英语(九月)

By Phil Mercer Sydney 15 August 2007 Australia has ended its ban on uranium sales to India. The country has so far refused to sell the nuclear fuel to countries that have not signed the nuclear Non-Proliferation Treaty, but Foreign Minister Alexander

发表于:2019-02-06 / 阅读(97) / 评论(0) 分类 2007年VOA标准英语(八月)

Have you ever wanted to stay young a little longer 大家有没有想过要年轻再久一点 and put off aging? 延缓衰老呢? This is a dream of the ages. 这是很久以来的梦想了 But scientists have for a long time 不过科学家以前一

发表于:2019-02-14 / 阅读(54) / 评论(0) 分类 TED演讲科学篇

Three guys, an Englishman, a Frenchman and an American are walking along the beach together one day. They come across a lantern and a genie pops out of it. I will give you each one wish, says the genie. The American says, I am a farmer, my dad was a

发表于:2019-02-18 / 阅读(44) / 评论(0) 分类 趣味英语
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