n.伊乐藻，水蕴草
The waterwheel turns the shaft, that turns the stones.
水车转动轴, 轴转动石磨.
This field needs to be irrigated by waterwheel.
这片田地还要依靠车水来灌溉.
The impulse of falling water turns the waterwheel.
落水的冲力使水轮转动.
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