英语词汇“mass number”是什么意思，“mass number”的读音、用法及例句翻译-乐坝网

词汇	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	small small arm small beer small-bore small calorie small cap small capital small cell carcinoma small change small-claims court smallclothes smalled smaller smallest Smalley small fry small hours smalling small intestine small-minded smallmouth smallmouth bass smallmouth black bass smallmouthed bass smallmouthed black bass

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