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crown-ether英英字典_crown-ether剑桥英语解释_crown-ether柯林斯英文解释_2020年的事情英文词典
2020年的事情英文词典

crown-ether

C 开头单词

柯林斯词典

    crown ether

  • 1. N a type of cyclic ether consisting of a ring of carbon and oxygen atoms, with two or more carbon atoms between each oxygen atom 冠醚[chem]

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