许多水生生物依赖淡水生存。

Many aquatic species depend on ___fresh ___water for survival.

该地区以其纯净的淡水资源而闻名，如河流和湖泊。

The area is known for its pristine ___fresh ___water sources, such as rivers and lakes.

气候变化对全球淡水的可用性构成威胁。

Climate change poses a threat to the availability of ___fresh ___water worldwide.