Typically, fast cuts and swinging camera motions make the actors' hits look more violent.

通常，快速剪辑和摇摆的摄像机运动会使演员的击球看起来更猛烈。

Gears then use that swinging motion to drive a generator, and the generator spits out electrical current to charge a battery.

然后齿轮利用这种摆动运动来驱动发电机，而发电机会吐出电流为电池充电。