单词：cadmium vapor lamp
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New Solar Cell Minimizes Environmental Risks in Manufacturing Process 新的太阳能电池减少生产中对环境的危害 Scientists in England report the development of a new solar cell that minimizes environmental risks in the manufacturing proc
VOA标准英语2014年(六月)
Alaudeen was a small boy. He lived in a village in Persia. He played in the streets with his friends often. One day he met a stranger in the road, while he was playing. He said that he was his fathers brother. He had seen him as a small boy. So you d
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说一口流利的英语，从简单的单词开始。 听听，读读，背背，今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 idiosyncrasy [ 7idiE5siNkrEsi ] One of
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Remembering the Lady of the Lamp 感谢白衣天使 As with natural disasters such as earthquakes, war exacts a heavy psychological toll on those of its victims fortunate enough to avoid death or injury. Ironically, one of the first recorded sufferer
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BEIJING, Feb. 2 (Xinhuanet) -- The source of cadmium contamination in the Liujiang River had been blocked and tap water in Liuzhou is safe to drink, said environmental officials of the Guangxi Zhuang autonomous region on Wednesday. Tap water from Liu
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BEIJING, Oct. 21 (Xinhuanet) -- A team of European researchers announced that they have found vast water vapor out of our solar system, according to a study in the U.S. journal Science Friday. Using Herschel Space Observatory, a European Space Agency
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