proton 的英语意思
protonproton /ˈprəʊtɒn $ ˈproʊtɑːn/ noun [countable] 
查看全部语言翻译 a very small piece of matter with a positive electrical charge that is in the central part of an atom质子；位于原子核中心、带正电荷的极小粒子
查看全部语言翻译 a very small piece of matter with a positive electrical charge that is in the central part of an atom质子；位于原子核中心、带正电荷的极小粒子