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 numbern.（名词） The sum of the number of neutrons and protons in an atomic nucleus. Also called nucleon number 质量数：原子核中质子和中子的总数也作 nucleon number
随便看	pulped pulping pulpit pulpit pulpited pulpiting pulpits pulps pulpwood pulque pulques puls pulsar pulsars pulsate pulsated pulsates pulsatile pulsating pulsation pulsations pulsator pulsators pulsatory pulse

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