名词
中文翻译：尾气
同义词：
['exhaust gas', 'exhaust fumes']
例句：
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1.The factory produces a lot of exhaust gases that pollute the air.
这家工厂排放了大量的废气，污染了空气。
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2. The car's exhaust gases are visible from the roadside.
汽车的废气从路边可见。
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3. The government is working on reducing emissions from cars and factories.
政府正在努力减少汽车和工厂的排放。