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Air pollution
01
空气污染
toxic and harmful substances in the air that can cause illnesses
例子
Scientists are developing cleaner energy sources to combat air pollution and its negative impact on the environment.
Public awareness campaigns encouraged people to use public transportation or carpool to reduce their contribution to air pollution.
Wearing a face mask offered some protection from inhaling harmful particles caused by air pollution.
Traffic congestion was a major contributor to the rising air pollution levels in the city.
The heavy air pollution made it difficult to breathe and caused itchy eyes for many residents.
