碳元素只是碳这种物质。碳（英文carbon，源自carbo，也就是木炭）这种物质发现得很早，常见的碳的自然形式有金刚石、炭和石墨。 碳的无数化合物是我们日常生活中不可缺少的物质，产品从尼龙和汽油、香水和塑料，一直到鞋油、滴滴涕和炸药等，范围广泛种类繁多。
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双语例句原声例句
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钻石是碳元素的晶体结构。
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碳元素使得面包呈深色且口感松脆。
The carbon gives the bread a dark color and a crunchy texture (质地).
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当然，细菌化石也应留下碳元素的痕迹。
Of course, fossilised bacteria would be expected to leave carbon traces too.
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And since carbon's electronegativity is higher than that of hydrogen, which you would expect from where carbon lies on the Periodic Table. Think about it.
碳的高于氢的,你也可以从碳在，元素周期表上的位置,判断出来，试想一下。
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What about sources of protein, that and carbohydrate for you, and how do those look and where are you getting those from?
那蛋白质的来源呢,还有碳水化合物,这些都长什么样,你从何摄入这些元素
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If we look at carbon, if you look on your Periodic Table you will see this notation next to carbon, What are we learning here?
如果我们观察碳，如果你查阅元素周期表,你会看到碳旁边的符号，从这里我们能了解到什么呢？
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