名詞 waterpower:

1. the power to do work that is latent in a head of water

wa.ter.pow.er

n.（名詞）

The energy produced by running or falling water that is used for driving machinery, especially for generating electricity.
水力：用于開(kāi)動(dòng)機(jī)器的流水或降落之水產(chǎn)生的能量，尤其用于發(fā)電
A source of such energy, as a waterfall.
產(chǎn)生這樣能量的源泉，如瀑布
A water right owned by a mill.
用水權(quán)：工廠的水力使用權(quán)