单词：outbleats
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This is Scientific American 60 second science, I am Christopher Intagliata, got a minute The sounds many animals make are determined by their genesthey don't have to learn them. Humans, on the other hand, have all sorts of languages and accents, stuf
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Almost every animal makes some kind of sound. It may be his language. 几乎所有的动物都会发出某种声音，那也许就是动物的语言。 He barks, moos, clucks, bleats, mews, whinnies, croaks, roars, grunts, cries, snarls, chirps, scre
美国学生世界地理教材
1. Where is the health club? 健身俱乐部在哪里？ 还能这样说： How can I get to the fitness centers? Can you tell me the location of health club? 应用解析： reading club 读者俱乐部； school club 学校俱乐部； teacher's cl
情景会话口袋书人际篇
Summer has reached England at last. For the past week the sun has shone and the birds have sung. There is a very old English song, from the thirteenth century, about the arrival of summer. It is written in mediaeval English, which is difficult to und
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