SSS 2010-12-29

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Beauty is only skin deep. And the beauty of shiny white teeth is even less deep. Because a new study shows that fluoride forms a thinner protective shiel

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雅思词汇真经 unit29

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！

VOA标准英语2010年-Everything Is Not What It Seems on 'Sh

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【突破英文词汇】solv, solu -- loosen 松开

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And because of all the neglect, too many of our kids have, essentially, to raise themselves. They are growing more distant from their parents, grandparents and other family members, as all around us the indestructible bond that once glued together th

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Leonard(Johnny Galecki 饰)和Sheldon（Jim Parsons 饰）是一对合起来智商超过360的疯狂科学家宅男。他们的科学家朋友还有风流的Wolowitz（Simon Helberg 饰）和从来不和女人说话的印度人。 Barenaked Ladies -