| 释义 |
car.bonH5kB:7b[n, $5kB:r-n [U]a simple chemical substance, which exists in its pure form as DIAMOND or GRAPHITE, and is an important part of other substances such as coal and oil, as well as being contained in all plants and animals碳Carbon compounds are the basis of all living matter.碳化合物是一切生物的基础。Carbon (paper) is thin paper with a covering of carbon or other dark-coloured substance on one side which is used between sheets of writing to make copies.复写纸This copy's very faint--I need a new sheet of carbon.这份拷贝太模糊了----我需要一页新的复写纸。A carbon (copy) is a copy made with carbon paper.复写本I'd better make a carbon of this memo.我最好给这份备忘录准备一份复写本。(fig.) She's a carbon copy of (=is exactly like) her mother.她是她母亲的翻版。Carbon dioxide is the gas formed when carbon is burned, or when animals breathe out.二氧化碳carbon dioxide emissions放出二氧化碳Carbon monoxide is the poisonous gas formed by the burning of carbon, esp. in the form of car fuel.一氧化碳Levels of carbon monoxide in the air are worryingly high.空气中一氧化碳含量之高令人担忧。A postmortem revealed that he had died from carbon monoxide poisoning.验尸表明他死于一氧化碳中毒。Carbon dating is a method of calculating the age of extremely old objects by measuring the amount of a particular type of carbon in them.碳定年法Carbon dating has put the date of the skeleton at about 4 000 BC.碳定年法判定这具骨架是约公元前4000 年的。
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