负原子价
valence───n.[化学]价;[化学]原子价;[化学]化合价;效价;n.(Valence)人名;(法)瓦朗斯
negative───adj.[数]负的;消极的;否定的;阴性的;vt.否定;拒绝;n.否定;负数;[摄]底片
valence shell───价电子层
valence issue───配价问题
negative effect───n.负面影响; 负效应;负面影响;负效应;负磁力效应
film negative───胶片;软片
negative attitude───[医]消极态度
negative statement───否定陈述;否定述辞;否定声明
negative income───负所得
Metaphors of displacement, which are characterized by their negative valence, are employed to give more illustrations.───移位隐喻的显著特征之一是其带有的消极情感。本文将其作为例证来进一步分析。
The negative portion of the acid molecule is composed of a nonmetal or a radical (negative valence group).───该酸分子负部分组成,一个是非金属或自由基(负效组)。