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词汇 proton
释义

proton

noun
/ˈprəʊtɒn/
/ˈprəʊtɑːn/
(physics物理)
  1. a very small piece of matter (= a substance) with a positive electric charge that forms part of the nucleus (= central part) of an atom质子 see also electron, neutron
    Wordfinder
    • antiparticle
    • atom
    • electron
    • ion
    • neutron
    • nucleus
    • particle
    • positron
    • proton
    • valency
    Topics Physics and chemistryc2
    词源1920s: from Greek, neuter of prōtos ‘first’.
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