单词：air-wall material
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A: I really want to switch things up. B: What were you thinking? A: I think I want to try a new style. B: What would you like me to do? A: I want you to cut my hair shorter. B: How short? A: I want my hair to be only a few inches long. B: Do you real
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[00:03.81]bottom line :结余；结算 [00:05.82]bundle :n.搭售商品 [00:07.49]convention :n.(专业)展览会 [00:09.37]demonstration :n.展示 [00:11.46]entrance :n.入口 [00:13.29]go with :选择；决定采用 [00:15.17]high traffic :a.高流量
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Brazilian aircraft searching for an Air France jet that disappeared with 228 people onboard in an Atlantic storm have spotted debris in the ocean. Members of Brazilian Pelican military squad prepare to depart from Campo Grande, Mato Grosso do Sul, t
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Graphene Called Amazing, Versatile Material of the Future 前景光明的多功能材料石墨烯 In 2004, two scientists at the University of Manchester in England isolated a carbon-based material called graphene, with some unusual properties. Andre
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Scientists Create Blackest Material Ever Of all the black things in the universe only the infamous black holes are so black that not even a tiny amount of light can bounce back. But scientists have managed to create material almost as black, and it h
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