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单词
valency
释义
[/ˈveɪlənsɪ; ˋvelənsɪ/] (US valence) n (chemistry 化) unit of the combining-power of atoms (原子的)(化合)价:
Carbon has 4 valencies. 碳的化合价是四价.
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更新时间:2025/4/29 12:49:22