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单词 valency
释义 va·lencyBrE /ˈveɪlənsi/NAmE /ˈveɪlənsi/ noun [C, U] (
plural
va·lencies
)
(also va·lence BrE /ˈveɪləns/ NAmE /ˈveɪləns/especially in NAmE)
(chemistry 化学) a measurement of the power of an atom to combine with others, by the number of hydrogen atoms it can combine with or displace 价;化合价;原子价Carbon has a valency of 4. 碳的化合价是 4 价。

antiparticle, atom, electron, ion, neutron, nucleus, particle, positron, proton, valency

(linguistics 语言学) the number of grammatical elements that a word, especially a verb, combines with in a sentence 组配数限,配价(一个词,尤指动词,在句子中结合的语法成分的数目)
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更新时间:2025/2/14 11:33:07