而植物和树木需要这些阳光来养育和生长，同时帮助我们把含有二氧化碳的空气转化成富含氧气、清爽、可呼吸的空气。

Plants and trees need this sunlight to nurture and grow, also to help us turn carbon dioxide into oxygen; cool, breathable air.

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当然，人类与树木也是共生的。树木吸收人类生活及其机器生产所产生出来的二氧化碳气体，并且把转化成必需的氧气。

Of course, humans live in symbiosis with trees too: trees take in the carbon dioxide people and their machines make and turn it into needed oxygen.

youdao

当然，人类与树木也是共生的。树木吸收人类生活及其机器生产所产生出来的二氧化碳气体，并且把转化成必需的氧气。

Of course, humans live in symbiosis with trees too: trees take in the carbon dioxide people and their machines make and turn it into needed oxygen.

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