名词
中文翻译：窒息气体
同义词：
['asphyxiant', 'poisonousgas']
例句：
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1. The factorywas evacuated due to achoking gas leak.
由于窒息气体泄漏，工厂被疏散。
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2. Thefirefighters were forcedto put out the choking gas with water.
消防员被迫用水扑灭窒息气体。
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3. Thechemical plant released achoking gas into the atmosphere.
化工厂向大气中释放了窒息气体。