英语词汇“mass number”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	mass number
释义	mass numberˈmass ˌnumber noun [countable] science, physics the total number of protons and neutrons in the nucleus (=central part) of an atom
随便看	Warsaw Pact, the warship wart warthog wartime war-torn warty war widow wary war zone was wasabi Wasatch Range, the Wash. wash washable wash-and-wear washbasin washboard washbowl washcloth washday washed-out washed-up washer

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