Noun:
-
a device for overcoming resistance at one point by applying force at some other point
用作名词 (n.)
- Levers and pulleys are simple machines.
杠杆和滑轮是简单机械。
- We used the digital camera to take a short movie clip of our simple machine in action.
我们使用数码相机拍摄了运转中的简单机械的简短电影剪辑。