单词：mechanical equivalent of heat unit
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[00:00.00]unit 3 Have you got...? [00:04.78]1 Explaining where things are(pape 20) [00:11.44]Ouch!What's up? [00:15.10]I've just cut my finger on this nail. [00:19.17]Let's have a look.Oh,yes.That's quite nasty. [00:24.14]I'd better run it under the
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Unit 14 DIALOGUE I Two Kinds of Brain A: This is the age of electronic invention. Every day you see fancy gadgets entering our lives... all kinds of electronic gadgets that were beyond our imagination
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MUSICbb.mp3/MUSIC TITLENew Words/TITLE |@|1whip |n.|[C] a long piece of rope or leather fastened to a handle, used for driving animals or punishing people |鞭子 || ||She beat the horse with her long whip. |她用长长的鞭子抽打着马。 || ||
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How Heat Damages Human Hair Many women and some men are very particular about their hair. One of the ways for keeping it in shape involves applying heat, but just how much of it and for how long has been mostly left to experience. A scientist from Pu
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machinery n.机器（集合名词，不可数） They purchased new machinery for the factory. 他们为这工厂添购新的机器。 The general manager believes that more machinery/ machines should be bought to increase productivity. 总经理认为
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