We must not let it pollute the river.

我们必须禁止它污染河流。

youdao

Lead, mercury, cadmium, nitrates and copper all pollute this river and affect drinking water supplies for the over 5 million people living in the area.

铅，汞，镉，硝酸盐和铜污染了这条河，影响了居住在该地区500多万人民的饮水供应。

youdao

They claimed that the industry would pollute the Uruguay River, the natural border between Uruguay and Argentina, and harm the local tourism industry.

他们声称，纸浆工业会对乌拉圭与阿根廷之间的天然边界乌拉圭河(Uruguay River)造成污染，而且还会损害当地的旅游业。

youdao

Uruguay is firmly behind the project, but residents on the Argentine side of the river, backed by international environmentalists, say the plant will pollute the river.

BBC: Last Updated: Friday, 3 March 2006, 04:00 GMT

Argentina's government complains that Uruguay did not consult it about the plants, which, it says, will pollute the river, over which the two countries share sovereignty.

ECONOMIST: A battle over foreign investment