| 字词 | 碳 |
| 释义 | ㄊㄢヽ一种非金属元素，符号 C，无臭无味的固体。无定形碳有焦炭、木炭等，晶体碳有金刚石和石墨。碳是构成有机物的主要成分。炼铁需要焦炭。在工业上和医药上，碳和它的化合物用途极广 carbon, a nonmetallic chemical element, tasteless, odourless and solid, found in many organic compounds; symbol: C. Diamond and graphite are pure carbon; carbon is also present in coal, coke, charcoal, soot, etc. Carbon, with its compounds, is in wide use in industry and medicine ［碳水化合物 -shuǐhuàhéwù］有机化学中，分子式可以用C?(H?O)?表示的一类化合物，像糖类和淀粉等都是，旧叫“醣” carbohydrates, a group of chemical compounds, such as sugar, starch, its formula is C?(H?O)? composed of carbon, hydrogen and oxygen formerly called "táng" |
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