An incinerator burns the leftover sludge at a sewage plant.

焚化炉焚烧污水厂的剩余工业淤渣。

In particular, there are calls for fuel to be allowed into Gaza to run hospital generators, water pumps, and sewage plants.

特别是，有人呼吁要允许燃料进入加沙，以推动医院发电机、水泵和污水处理厂的运转。

But Dr Samanipour found that in combination they could predict quite accurately the demographic make-up of a sewage plant's catchment area.

但Samanipour博士发现，结合起来看，它们可以相当准确地预测污水厂集水区的人口构成。

But a new study recently found it in a less likely place, sewage plants in Switzerland.

但最近的一项新研究发现，它出现在不太可能发生的地方，即瑞士的污水处理厂。