这些鱼生活在淡水中。

These fish live in ___fresh ___water.

该地区拥有清澈的淡水湖，非常适合游泳。

The region boasts clear ___fresh ___water lakes perfect for swimming.

获得清洁的淡水是一项基本人权。

Access to clean ___fresh ___water is a fundamental human right.