cam
n
projecting part on a wheel designed to change the circular motion of the wheel as it turns into up-and-down or backwards-and-forwards motion of another part 凸轮(轮上的凸起部件, 用以使轮的圆周运动转变成另一部件的上下或前後运动).
🗣️ 情景例句
After he eats!
等他吃饱了!
He admitted that he was wrong.
他承认自己错了。
I explained to her that the rich were the enemies of the people of France.