Two negative charges repel each other, and so do two positive charges.
两个负电荷相斥，每个正电荷也是如此。
It’s just that the total area of sites with positive and negative charges are roughly equal (the two are typically within a fraction of a percent of each other).
只是带正负电的区域总面积是大致相当的（差别不超过千百分之一）。
Between these two tiny particles, the proton and the electron, there is a powerful attraction that is always present between negative and positive electric charges.
在质子和电子这两个微粒之间有一个很大的吸引力，而这个吸引力总是存在于正、负电荷之间。
There are two kinds of electric charges: positive and negative.
电荷有两种：正电荷和负电荷。
There are two kinds of electric charges: positive and negative.
电荷有两种：正电荷和负电荷。
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