名词
中文翻译：沼泽气
同义词：
['swamp gas', 'marsh vapor例句：1. The smell of the marsh gas was overpowering.（沼泽气的臭味令人难以忍受。）2. The campers were warned about the dangers of breathing in marsh gas.（露营者被警告要注意吸入沼泽气的危险。）3. The hikers had to leave the area quickly due to the presence of marsh gas.（由于存在沼泽气，徒步旅行者不得不迅速离开该地区。）']
例句：
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1. The smell of the marsh gas was overpowering.
沼泽气的臭味令人难以忍受。
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2. The campers were warned about the dangers of breathing in marsh gas.
露营者被警告要注意吸入沼泽气的危险。
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3. The hikers had to leave the area quickly due to the presence of marsh gas.
由于存在沼泽气，徒步旅行者不得不迅速离开该地区。