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词汇 covalent bond
类别 英汉双解翻译词典
释义 covalent bondn.(名词)covalent bondIn a water molecule, each hydrogen atom (H) shares an electron (yellow) with the oxygen atom (O).
  1. A chemical bond formed by the sharing of one or more electrons, especially pairs of electrons, between atoms.共价键:原子间共用一个或多个电子,尤指成对电子而形成的化学键
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