This is the 900th most frequent Chinese word.
污染
Pollution.
In this sentence, 污染 refers to the contamination of the air by industrial activities.
工业活动导致了严重的空气污染。
Industrial activities have caused severe air pollution.
Here, 污染 is used to denote the contamination of water bodies.
清理河流能够减少水污染的影响。
Cleaning rivers can reduce the impact of water pollution.
In this context, 污染 emphasizes the broader environmental damage caused by plastic waste.