“废气”造句

那座城市的街道肮脏不堪，弥漫着令人窒息的废气。
The city's streets are filthy and choked with exhaust fumes.

肺呼出这些废气被排到空气中。
As the lungs exhale this waste, gas is expelled into the atmosphere.

问题在于废气中含有很多毒素。
The problem was that the exhaust gases contain many toxins.

• #废气