英语词汇mass number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	mass number
释义	mass number noun Physics the total number of protons and neutrons in a nucleus 【物理】质量数。
随便看	aether aetiologic aetiological aetiologically aetiology AEU af- AF a fact of life AFAIK a fair deal afar Afar afara Afars and Issas, French Territory of the a fast buck a fate worse than death a fate worse than death AFC AFDC afeared a feather in one's cap afebrile a few affability

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