“碳”造句

石墨层中的原子相互连接形成环。
In graphite sheets, carbon atoms bond together in rings.

化合物氧化后必然会产生二氧化
Carbon dioxide is a necessary result of the oxidation of carbon compounds.

食物由水化合物、蛋白质和脂肪构成。
Food is made up of carbohydrates, proteins and fats.

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