| 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, neutron antiparticle, atom, electron, ion, neutron, nucleus, particle, positron, proton, valency |