1·Are the outlines of the carbon cycle really that familiar?
碳循环的轮廓真的是我们所熟悉的那样子么？
2·Graphene is a flat sheet of carbon just one atom thick—with the carbon atoms arranged in a honeycomb lattice.
石墨烯是一种只有单原子厚度的碳原子平面层——碳原子按蜂窝状晶格排列。
3·Carnivorous animals such as ourselves use the carbon in protein and the fat in meat to build muscles and store energy.
像我们这种的食肉动物，利用蛋白质中的碳和肉类中的脂肪来锻炼肌肉和储存能量。
4·The three most important nutrient recycles are the nitrogen cycle, the carbon cycle and the one we are going to talk about today, the Phosphorus cycle.
这三种最重要的营养循环包括氮循环、碳循环和我们今天要讲的磷循环。
5·To my mind, the reports talk too much about the carbon dioxide produced by the trucks that deliver the fresh goods to the shops and take the waste away.
在我看来，这些报告过多地谈论了卡车产生的二氧化碳，而这些卡车把新鲜的货物运送到商店，然后把垃圾运走。
6·It is clear, for example, that the carbon cost of transporting tomatoes from Spain to the UK is less than that of producing them in the UK with additional heating and lighting.
例如，从西班牙运输西红柿到英国的碳成本明显比在英国生产西红柿的碳成本要低，后者需要额外的加热和照明。
7·You can liquefy the carbon dioxide to separate it from the other constituents.
你可液化二氧化碳以使它与其他成分分离。
—— 《柯林斯英汉双解大词典》
8·The carbon gives the bread a dark color and a crunchy texture (质地).
碳元素使得面包呈深色且口感松脆。
9·I dread to think what the carbon footprint must be like of moving that coal, but we have no choice.
我都不敢想象为了运这些煤产生了多少碳足迹，但我们别无选择。
10·Ten thousand years of tree rings show that the carbon-14 level rises and falls about every 420 years.
一万年的树木年轮显示，碳14水平大约每420年上升和下降一次。