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
What is your monthly salary now?
你目前的月薪是多少?
He's tired because he worked hard all day today.
他疲倦是因为他今天整天努力工作。
and they have not a dreary commitment to mean ambitions or love of comfort.