ball charge

例句：

1. 1. The ball was charged with electricity before it was thrown.
   这个球在被扔之前被充电了。
2. 2.The scientist discovered a new type of charge in the atomic nucleus.
   科学家发现了原子核中的一种新的电荷。
3. 3. The ball charge is responsible for the movement of the ball during the game.
   球的电荷负责比赛中球的运动。