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【句子对照】 He is just a space cadet; you see his dreams have never come true. 他只爱幻想，却不付诸于实际行动。他的梦想从来没有实现过。 【关键俚语】 space cadet 英：Someone who is generally unaware, or not paying attention, or out of touch with rea
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Fog Found on Saturn's Moon Titan A study in Astrophysical Journal Letters reveals that Titan may be home to the familiar atmospheric condition known as fog--but made out of methane. Karen Hopkin reports The northeast just had its first big snow of th
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RACHEL MARTIN, HOST: By many measures, Mansour Omari should not be a free man. The Syrian human rights activist spent years documenting the many abuses of the Syrian government, keeping track of the tens of thousands of Syrians who have disappeared i
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Easily confused by this idea, there has a big thawed iron inner core, so that I think it's just the bar magnet, just permanent magnet frozen in nad, and that's where causes all the magnetic field. But it's too hot inside the Earth, that can't happen
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By David McAlary Washington 14 March 2007 A U.S. spacecraft studying Saturn has found evidence of large seas on its biggest moon, Titan. But if they are seas, they would not be filled with water. Instead, as VOA's David McAlary reports, they would be
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听歌学英语:That I Would be Good-孙燕姿 That I Would be Good 孙燕姿 孙燕姿的歌一向都很打动人，今天我们要学习的这首That I Would be Good来自她的Start自选辑，这首歌的原唱是Alanis Morissette。这是一首慢
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