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
Let me give you a little fatherly advice.
让我像父亲般给你提点建议。
A miss is as good as a mile.
失之毫厘,差之千里。
To do this, he must be at least as knowledgeable as the dealer.