英语词汇atomic weight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	atomic weight
释义	atomic weightn.（名词）abbr. at wt【缩写】 The average mass of an atom of an element, usually expressed relative to the mass of carbon 12, which is assigned 12 atomic mass units.原子量：一种元素中原子的平均重量，通常相对碳12的重量来表示，碳12的重量定为十二个原子量单位
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