“碳”造句

石墨層中的碳原子相互連接形成碳環(huán)。
In graphite sheets, carbon atoms bond together in rings.

碳化合物氧化后必然會產(chǎn)生二氧化碳。
Carbon dioxide is a necessary result of the oxidation of carbon compounds.

食物由碳水化合物、蛋白質(zhì)和脂肪構(gòu)成。
Food is made up of carbohydrates, proteins and fats.

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