Positive electric charge and negative electric charge attract each other.

正电荷和负电荷会相互吸引。

Electric charge generates force in an electric field.

电荷在电场中会产生力。

Electrons carry a negative electric charge.

电子带有负电荷。

The unit of electric charge is the coulomb.

电荷的单位是库仑。

Objects can gain electric charge through friction.

物体可以通过摩擦获得电荷。

The neutron is a subatomic particle with no electric charge.

中子是一种没有电荷的亚原子粒子。

A faraday is used to measure the amount of electric charge in electrolysis.

法拉第用于测量电解中的电荷量。

The esu is used to measure electric charge in the cgs system.

esu（electromagnetic unit system，电磁单位制）用于在厘米-克-秒制中测量电荷。

Same electric charge mutual repulsion, and opposite electric charge attract.

同性电荷相斥，异性电荷相吸。

First, there is electric charge.

第一，电荷。