simple machine
参考词典中simple machine的常规释义：
基本释义
- n.简单机械
参考例句
- The pulley is considered one of the five simple machines.
滑轮被认为是五种简单机械之一。 - Levers and pulleys are simple machines.
杠杆和滑轮是简单机械。
- The pulley is considered one of the five simple machines.
英英解释
1个名词解释
- a device for overcoming resistance at one point by applying force at some other point
[同] machine, simple machine
点击查看……- a device for overcoming resistance at one point by applying force at some other point
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