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SSS 2011-12-20

material scientists admire spider silk for being lightweight and strong.now another arthropod product is getting into the act insect cuticle,the tough flexible material is inside insect skeleton.researchers at harvard * institute for biological inspi

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公务员口语34

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马虎词汇教程 list2-2

alienate v. 使疏远 allegory n. 寓言；讽喻 alleviate v. 使减轻 alliance n. 联盟，同盟 allocate v. 分配；定位置 alloy n./v. 合金，融合 allude v. 提及；暗指 allure v./n. 引诱

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