| 释义 |
va·lence 英'veɪləns美'veɪləns
基本英英搭配近义反义例句
n.化化合价;语配价;免疫学效价;心理学抗体效价;某物结合、反映或作用于另一物的能力¹⁰⁰异体字valency名词复数vallences
Noun:
biology a relative capacity to unite or react or interact as with antigens or a biological substratechemistry a property of atoms or radicals; their combining power given in terms of the number of hydrogen atoms or the equivalentvalence bond价键valence force价力active valence有效化合价chemical valence化合价,化学原子价…valence angle价角negative valence负原子价,负化合价…valence shell价电子层valence band价带free valence自由价absolute valence绝对价,最高价…primary valence舟valence state价态residual valence剩余价valence number价数coordination valence配价,配位价…valence crystal价键晶体valence electron价电子,传导电子…valence effect价效应valence linkage价键coordinate valence配位价
近义词 valency化原子价
名词100%
用作名词Lead in compounds has valence 2 and 4;an oxide is the most widely used.铅化物的原子价有+2和+4价，其中铅氧化物密陀僧是最广为使用的。
It puts forward the importance of verb valence in learning the second language.并指出了动词配价理论在第二语言学习中的重要性。 |