seawater

The distillation plant converts seawater into fresh drinking water for the island residents.

(Chinese) 海水淡化厂将海水转化为新鲜饮用水供岛上居民使用。

Seawater has a higher density than fresh water because of the dissolved salts it contains.

(Chinese) 由于含有溶解盐，海水的密度比淡水高。