光合作用把二氧化碳和水转化成植物生长所需物质。
Photosynthesis creates plant matter out of carbon dioxide and water.
大约25亿年前，生物界出现了光合作用——把光照、二氧化碳和水转化成糖的能力。
About 2.5 billion years ago, the newest fad in organisms was photosynthesis — the ability to to turn sunlight, carbon dioxide (CO2) and water into sugar.
氮气脱氧罐中装有一个游离铜催化剂的固定床，通过将铜氧化成氧化铜把氧气从氮气中脱除。
The nitrogen Deoxo Vessel contains a fixed bed of free copper catalyst which removes oxygen from the nitrogen stream by oxidation of copper to copper oxides.
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.
另一种方法是直接把青霉素氧化成青霉素亚砜。
Two important synthetic methods of penicillin sulfoxide are reviewed.
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.
如果安装在室外，可根据客户要求把铝合金外壳氧化成跟楼体相同的颜色，不会因为安装灯具而影响楼体的美观。
If installed outdoor, the aluminum alloy shell can be oxidated to be the same colour as the building so that the light will not influence the beauty of the building.
如果安装在室外，可根据客户要求把铝合金外壳氧化成跟楼体相同的颜色，不会因为安装灯具而影响楼体的美观。
If installed outdoor, the aluminum alloy shell can be oxidated to be the same colour as the building so that the light will not influence the beauty of the building.
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