名词
中文翻译：废气
同义词：
['waste air', 'exhaust gas', 'polluted gas例句：1. The factory is releasing a lot of waste gas into the atmosphere.（工厂正在向大气中排放大量的废气。）']
例句：
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1. The factory is releasing a lot of waste gas into the atmosphere.
工厂正在向大气中排放大量的废气。
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2.The car engine produces a lot of waste gas when it's running.
汽车发动机运行时会产生大量的废气。
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3. The plant uses waste gas to power its generators.
该厂使用废气来为其发电机供电。