| 词汇 | valency |
| 释义 | va·lencyBrE /ˈveɪlənsi/ NAmE /ˈveɪlənsi/ noun [C , U ] (plural va·lencies) (also va·lence BrE /ˈveɪləns/ NAmE /ˈveɪləns/ especially inNAmE ) (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 grammaticalelements 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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