They consume carbon dioxide, and release oxygen.

它们消耗二氧化碳，并释放氧气。

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Trees can absorb carbon dioxide and release oxygen.

树木可以吸收二氧化碳和释放氧气。

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They absorb harmful gases and release oxygen so that you can have clean air.

他们吸收有害气体，并释放氧气，这样您可以有干净的空气。

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And the air quality around the plant ought to improve, too, Ford says, because the roof will trap dust, absorb carbon dioxide and release oxygen into the environment.

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This is a device that reacts hydrogen and oxygen together to release electrical energy.

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They are where glucose and oxygen react together to release energy.

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