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2006年VOA标准英语-Countries Agree to Pursue Fusion Energy Researc

By David McAlary Washington 21 November 2006 The United States and more than 30 other nations have signed a $13 - billion agreement to develop a form of nuclear power in a process called fusion. In a Paris signing ceremony, they agreed to cooperate

发表于:2019-01-12 / 阅读(130) / 评论(0) 分类 2006年VOA标准英语（十一月)

英语听力：自然百科 穿越银河系的旅行 Through Milky Way—31

Our galaxy is rushing toward the great galaxy Andromeda, they are rushing toward each other. And they are going to encounter each other in a couple billion years. Abraham and his colleagues decide to try to simulate this clash of the Titans. This was

发表于:2019-01-22 / 阅读(31) / 评论(0) 分类 自然百科2011年
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