Air pollution
01
空气污染, 大气污染
toxic and harmful substances in the air that can cause illnesses
例子
The heavy air pollution made it difficult to breathe and caused itchy eyes for many residents.
严重的空气污染使许多居民呼吸困难并引起眼睛发痒。
Traffic congestion was a major contributor to the rising air pollution levels in the city.
交通拥堵是城市空气污染水平上升的主要原因。
