Camming
凸輪系統
??? 情景例句
Well, let's get started.
好吧， 我們開始吃吧。
How can you be so stubborn?
怎么那么死腦筋？
A gust of wind swept the bed off the roof and sent it crashing into the courtyard below.
一陣大風把床從屋頂上刮了下來，把它摔碎在下面的院子里。