Like waterwheels, windmills were among the original prime movers that replaced human Beings as a source of power.

和水车一样，风车是最早代替人力的动力机之一。

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Like waterwheels, windmills were among the original prime movers that replaced human Beings as a source of power.

和水车一样，风车是最早代替人力的动力机之一。

youdao