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	unscrew unscripted unscrupulous unseal unseam unsearchable unseasonable unseasoned unseat unseemly unseen unseens unsegregated unselective unselfconscious unselfish unsell unset unsettle unsettled unsex unshackle unshakable unshaped unshapen

英汉双解词典包含166908条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。