污秽物

例句：

1. 1. The room was filledwith the smell of old filth.
   房间里充满了旧污物的臭味。
2. 2. The sewage system is designed to remove filth from the city.
   污水系统设计用来从城市中去除污物。
3. 3. The garbagecollector came to pick up the filth.
   垃圾收集员来清理这些污物。