exhaust fumes

1.Exhaust fumes made him drowsy and brought on a headache.

废把他熏得昏昏沉沉，还引起了头疼。

2.Exhaust fumes from cars are poisoning the air of our cities.

汽的废使我们城中的遭受污。

3.There are many sources of air pollution; exhaust fumes, for example.

污有许多来源, 例如废。