这片湿地是许多稀有鸟类的栖息地。

The ___wetlands are home to many rare bird species.

这片湿地是许多稀有鸟类的重要栖息地。

These ___wetlands serve as a crucial habitat for many rare bird species.

这些湿地过滤了河流中的污染物，保护了饮用水源。

The ___wetlands filter pollutants from the river, protecting our drinking water sources.