英语词汇“atomic mass”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	atomic mass
释义	WordReference Random House Learner's Dictionary of American English © 2024 aˈtom•ic ˈmass or aˈtom•ic ˈweight,n. [countable] Chemistrythe mass of an atom that counts the number of protons and neutrons in its nucleus. WordReference Random House Unabridged Dictionary of American English © 2024 atom′ic mass′, [Chem.] Chemistrythe mass of an isotope of an element measured in units formerly based on the mass of one hydrogen atom taken as a unit or on ¹⁄₁₆ the mass of one oxygen atom, but after 1961 based on ¹⁄₁₂ the mass of the carbon-12 atom. Abbr.: at. m. 1895–1900
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英语词典包含188688条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。

　

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更新时间：2024/11/10 16:46:48