desalination

Desalination plants convert seawater into drinking water, but the process is energy-intensive.海水淡化厂将海水转化为饮用水，但这个过程耗能巨大。

Several Middle Eastern countries rely heavily on desalination to supplement scarce freshwater reserves.几个中东国家严重依赖海水淡化来补充稀缺的淡水储量。