Hydroelectric means relating to or involving electricity made from the energy of running water.
Engineers say the river has huge potential for developing hydroelectric power.
工程师说,该河具有开发水电的巨大潜力。
a vast impoverished region containing a hydroelectric dam and fertilizer factories.
包括一条水电站大坝和数家化肥厂的一片广阔的贫困地区。