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By their very definition,black holes are 1) objects which are not supposed to 2) emit anything .It therefore seemed that the area of the 3) event horizon of a black hole could not be regarded as its 4

发表于:2018-11-28 / 阅读(349) / 评论(0)

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Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到听力原文收集区，您将会获得10到30积分的奖励! Thank you！

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英语歌曲:Travis--colder~~

Travis--colder~~ i'm in love with everything with every face i've ever seen and every place i've ever been has left its mark upon my worries i color in the world i see i pick apart the melody 'cause maybe there's a symphony caught inside but there's

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Why does salt dissolve in water but oil doesn't? 为什么盐可溶于水而油却不行呢？ Well, in a word,chemistry. But that's not very satisfied, isn't it? 总的来说，是化学作用。但这并不令人满意，对吧？ Well, the reason

发表于:2019-01-17 / 阅读(225) / 评论(0)

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HEALTH REPORT - Blood Pressure Drugs May Prevent Dry Eye Syndrome By Jerilyn Watson Broadcast: Wednesday, April 07, 2004 This is the VOA Special English Health Report. Many people around the world suf

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In 1875, when a young German in Kiel named Max Planck was deciding whether to devote his life to mathematics or to physics, he was urged most heartily not to choose physics because the breakthroughs had all been made there. The coming century, he was

发表于:2019-01-29 / 阅读(224) / 评论(0)

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