Camming
凸轮系统
🗣️ 情景例句
After running through the entire appeals procedure, we've still been knocked bakc.
经过了这么整整一个上诉程序，我们还是被驳了回来。
To escape from the policeman
从警察手下逃亡
But that was not all.
它一再重复这些圆圈。