| 释义 |
pro·tonBrE /ˈprəʊtɒn/ NAmE /ˈproʊtɑːn/ noun (physics物理) 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, neutronantiparticle , atom , electron , ion , neutron , nucleus , particle , positron , proton , valency |