名词
中文翻译：脏气
同义词：
['dirty air', 'polluted gas例句：1. The factory is releasing dirty gas into the air.（工厂正在向空气中排放脏气。）']
例句：
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1. The factory is releasing dirty gas into the air.
工厂正在向空气中排放脏气。
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2. The pollution from the factories has made the air dirty gas.
工厂的污染使空气变得脏气。
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3.We need to reduce the amount of dirty gas we release into the environment.
我们需要减少我们释放到环境中的脏气量。