wa.ter.pow.er
n.（名词）
The energy produced by running or falling water that is used for driving machinery, especially for generating electricity.水力：用于开动机器的流水或降落之水产生的能量，尤其用于发电A source of such energy, as a waterfall.产生这样能量的源泉，如瀑布A water right owned by a mill.用水权：工厂的水力使用权
