They polluted the river with sewage

污水───sewage;污染───contaminated

Sewage nutrients do increase algal growth in the harbour.───污水中的营养物确实会加快港口的海藻生长。

The sea is coated with a film of raw sewage.───海上覆盖着薄薄一层未经处理的污水。

During the winter months, great flocks of gulls gather at rubbish tips and sewage outfalls.───冬季时大群大群的海鸥会聚集在垃圾场和排污口。

These mini crustaceans are literally the garbage cleaners in the sewage treatment plants.───这种克氏鳌虾喜欢生活在污浊的水沟里,它们实在是污水中的“垃圾处理员”.

Vitriolic impurity is contained normally in the sewage that vitriolic factory discharges.───硫酸厂排放的污水中通常含有硫酸杂质.

This paper introduces application of aquatic plants in sewage treatment.───摘要介绍了水生植物在污水治理中的应用.

This article puts forward a new process on municipal domestic sewage treatment.───提出一种城市生活污水处理新工艺.

The sea is coated with a film of raw sewage.───海面上漂浮着一层未经处理的污水。

The city needs a new sewage disposal system.