electron 的英语意思
electronelectron /ɪˈlektrɒn $ -trɑːn/ noun [countable] 
查看全部语言翻译 a very small piece of matter with a negative electrical charge that moves around the nucleus (=central part) of an atom带负电荷、围绕原子核（=原子中心部分）运动的极小物质粒子
查看全部语言翻译 a very small piece of matter with a negative electrical charge that moves around the nucleus (=central part) of an atom带负电荷、围绕原子核（=原子中心部分）运动的极小物质粒子