单词：pentegraph
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You're always in my heart From early in the morning till it's dark! I gotta see your sweet, sweet smile everyday When I wake up in the morning And I see you there I always whisper a little prayer I gotta see your sweet, sweet smile everyday I gotta
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It started with a simple experiment: take some graphite - the black stuff in the middle of a pencil - and put a piece of tape over it. When the scientists at the University of Manchester did that, they found that they could develop a material that co
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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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