英语词汇valence electron怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	valence electron
释义	valence electronn.（名词） An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms.价电子：参与或其他原子形成化合键的原子外层电子壳层的电子
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