名词
中文翻译：Unknown
同义词：
['emission', 'exhaustion']
例句：
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1.The factory has a high gas emission level.
这家工厂的废气排放水平很高。
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2.The car's engine is responsible for the vehicle's gas emission.
汽车发动机负责车辆的废气排放。
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3. The government has been working on reducing gas emissions to combat climate change.
政府一直在努力减少废气排放，以应对气候变化。