沼泽是一种湿地，英文为"swamp"。这个词来源于古英语"swampe"，意思是"湿地"。

例句：

The swamp was home to a diverse array of plant and animal life. (沼泽是各种植物和动物生活的家园。)

The swamp was teeming with mosquitoes and other insects. (沼泽中有大量的蚊子和其他昆虫。)

We had to wade through the swamp to reach our destination. (我们必须穿过沼泽才能到达目的地。)