electron
柯林斯词典
1. N-COUNT An electron is a tiny particle of matter that is smaller than an atom and has a negative electrical charge. 电子[技术]
Most things are balanced - with equal numbers of electrons and protons. 大部分物体都是电荷平衡的——含等量的电子和质子。
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electron /ɪˈlɛktrɒn/ (electrons)
剑桥词典
- an extremely small piece of matter with a negative electrical charge
电子
比较
neutron
proton 返回 electron