adj.淡水的,内陆的
n.淡水,内河,淡水湖
The perch is a freshwater fish.
鲈鱼是淡水鱼。
Coal is formed from the remains of freshwater plants.
煤是由淡水植物遗骸形成的.
There are bright prospects for freshwater fish farming.
淡水养鱼大有可为.