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单词
covalent bond
释义
covalent bond
[kɔʊˌveɪ.ləntˈbɑːnd]
freq.
28
dict.
13
spoken
3
un.
〔化〕共价键
[网络]
共价结合键;供价键;共价健
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更新时间:2026/7/31 17:49:47