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-现代词典

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	card catalog cardholder cardiac cardiac arrest Cardiff cardigan cardinal cardinal direction cardinal number cardinal sin cardinal virtue cardio cardio- cardiologist cardiology cardiopulmonary cardiopulmonary resuscitation cardiovascular card shark card table care careen career career counseling career counselor

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