名词
中文翻译：气体
同义词：
['gas', 'fumes', 'steam', 'vapor']
例句：
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1. The gas leaked from the stove and filled the room with a foul smell.
煤气从炉子上泄漏出来，房间里充满了难闻的气味。
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2. Gases are made by combining hydrogen and oxygen.
气体是由氢和氧结合而成的。
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3. The scientist used a gas mask to protect himself from the toxic fumes.
这位科学家用一个防毒面具来保护自己免受有毒气体的伤害。