英语词汇“proton”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	proton
释义	protonproton /ˈproʊtɑn/ noun [countable] Etymology ETYMOLOGYproton Origin: 1800-1900 Greek first thing, from protos; ➔ PROTO- science, physics a particle that exists in the nucleus (=central part) of an atom, and that has a positive electrical charge → electron, neutron
随便看	secretively secretiveness secretly secret police secret service secret society sect sectarian sectarianism section sectional sectionalism sector secular secularism secularist secularization secularize secure secured securely Securities and Exchange Commission, the security security blanket security clearance

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