backswamp

例句：

1. 1. The backswamp was a breeding ground for mosquitoes.
   这片沼泽是蚊子的滋生地。
2. 2. The farmers were forced to clear the backswamp to make way for the new road.
   农民们被迫清除沼泽以开辟新路。
3. 3. The backswamp is home to many rare and endangered species.
   这片沼泽是许多稀有和濒危物种的家园。