It affords the gas which vivifies and warms our frames, and receives into itself that which has been polluted by use and is thrown off as noxious.
它所提供的气体温暖我们的住处，并由于人类使用而产生污染的有害气体。
It affords the gas which vivifies and warms our frames, and receives into itself that which has been polluted by use and is thrown off as noxious.
它所提供的气体温暖我们的住处，并由于人类使用而产生污染的有害气体。
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