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
That's right.
你完全正确。
Lie in (oron) the bed one has made.
自作自受。
But the first people who were like ourselves lived so long ago that even their sagas, if they had any, are forgotten.