swamp sugrudok

例句：

1. 1. The swamp is home to a variety of rareplants and animals.
   这个沼泽地是各种珍稀植物和动物的家园。
2. 2. Swamps are often inhabited by insectsand other small creatures.
   沼泽地通常居住着昆虫和其他小生物。
3. 3. Theswamp was oncea thriving ecosystem, but nowit's threatened by pollution.
   这个沼泽曾经是一个繁荣的生态系统，但现在它正受到污染的威胁。