单词：paper-tape feeding mechanism
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RACHEL MARTIN, HOST: Today in Your Health, we're going to learn about the secrets of breast-feeding. Many women want to breast-feed and they try to, but only about half keep it up. It's like we have lost the instinct in some way. DAVID GREENE, HOST:
2017年NPR美国国家公共电台6月
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 whole [ hEul ] He put the whole of his
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The X-ray image revealed how the black hole at the heart of the galaxy was firing unimaginable amounts of radiation into surrounding space and with extraordinary consequences. We could see what was going on at the centre and we could start to underst
探索与发现2013年
Books and Arts; Quantum physics 文艺；量子物理学 House of dreams；Scientists race to explain why the Higgs boson matters 想象的殿堂；科学家竞相解释为什么希格斯玻色子至关重要 Higgs Force: The Symmetry-Breaking Force
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Paper seems completely harmless, but deployed properly, it can be a serious weapon: paper cuts are just the worst. 纸看起来无害，但合理使用的话，它也能成为犀利的武器：最严重的状况就是被纸割伤。 Its all to do wit
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Tip 1 As in any part of the exam, there are no lost marks for wrong answers. So, if you don't know- guess! Tip 2 All the parts of the paper are heard only once- so don't do lots of textbook listenings where they hear twice. It can be useful, however,
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