When this waste dumped into rivers, the water downstream becomes undrinkable and unusable for agriculture, and also kills plant and animal life in the rivers.

当这些废物排入河流，下游的水就不能喝，不能用于农业，并杀死植物和动物生命的河流。 。

youdao

Animal waste also enters water supplies.

动物粪便也会进入水中。

youdao

Sewage includes waste water and human excreta. Waste water may carry germs which are collected from human and animal excreta.

污水包括废水和人类粪便。污水里往往有人和动物粪便中的病菌。

youdao

Water from floods may contain animal and human waste.

VOA: special.2010.07.19

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