The factory was fined after chemicals from its plant polluted the nearby river.

那家工廠因廠區排出的化學物質污染了附近河川而遭到罰款。

Our new shipping trucks run on electricity, so they pollute far less than older models.

我們的新貨運卡車使用電力，所以造成的污染比舊車款少得多。

Please remind hotel guests that littering on the beach pollutes the water and harms wildlife.

請提醒飯店房客，在海灘亂丟垃圾會污染海水並傷害野生動物。