词汇 | double bond |
释义 | double bond noun [ C ] chemistry specialized uk/ˌdʌb.əl ˈbɒnd/ us/ˌdʌb.əl ˈbɑːnd/ 双键(两个原子间以两对共享电子构成的化学键) a chemical bond in which a molecule has two shared pairs of electrons |
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