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| 詞匯 | carbon |
| 釋義 | carbon /'ka: ban; 'karban/ n 1 [U] non-metallic element (symbol C) that occurs in all living matter, in its pure form as diamonds and graphite and in an impure form in coal and charcoal. 碳 (非金屬元素，化學(xué)符號 C, 存在于一切生物體內(nèi)，純碳物如鉆石及石墨，不純之碳存在于煤及木炭) 。 ' ~ black n black powder obtained by partly burning oil, wood, etc. (部份燃燒油、木材等而得之) 黑煙末。 ' ~ dating, method of dating prehistoric objects by measuring the decay of a radioactive isotope of ~. 碳鑒定法 (測量碳的放射同位素之衰變以優(yōu)定史前古物之年代的方法 j。 2 [C] stick or pencil of ~ used in an electric arc-lamp. 碳精棒 (用于電弧光燈) 。 3 [U, C] (also 亦作 ' ~- paper) (sheet of) thin paper coated with coloured matter, used between sheets of writing paper for taking copies. 復(fù)寫紙。 4 [C] (also 赤作 ~ copy) copy made by the use of ~-paper. 復(fù)寫本; 副本。 5 di'oxide n gas (co2) produced by animal bodies and breathed out from the lungs; synthetic version of this used in eg canned beers and soft drinks, to give fizz. 二氧化碳 (動物體內(nèi)所產(chǎn)生的氣體，自肺中呼出); 合成之二氧化碳 (用于罐頭啤酒及不含酒精的飲料等中，使起泡及發(fā)嘶聲) 。 i ~ mon'oxide n poisonous gas (co) produced when ~ burns, present in the exhaust gas of petrol engines and after explosions in coal mines.— 氧化碳 (由碳燃燒所產(chǎn)生之有毒氣體, 存在于用汽油的發(fā)動機(jī)所排出的廢氣中，及發(fā)生爆炸后的煤礦坑中) 。 ~ated /'kcubaneitid ; ， karb3,netid/ adj containing ~ dioxide: 含二氧化碳的： ~ed beverages. 含二氧化碳的飲料。 ~ iferous /,ka: ba'nif9ras; /karba'nifaras/ adj (geol) producing coal: (地質(zhì)) 產(chǎn)煤的; 產(chǎn)炭的： ~- iferous strata. 石炭層; 煤層。 ~ize vt [VP6A] convert into ~ by burning. 燒成礙; 碳化。 ~ /abanai'zeifn US: -m'z-; Zkarbani'zejan/ n |
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