| 单词 | carbon |
| 释义 | carbon['kɑ:bən]n. 碳, 副本, 复写纸【化】 碳【医】 碳(6号元素) carbon car.bon AHD: [kär“b…n] D.J. [6k$8b*n]K.K. [6k$rb*n]n.（名词）1. Symbol C A naturally abundant nonmetallic element that occurs in many inorganic and in all organic compounds, exists freely as graphite and diamond and as a constituent of coal, limestone, and petroleum, and is capable of chemical self-bonding to form an enormous number of chemically, biologically, and commercially important molecules. Atomic number 6; atomic weight 12.01115; sublimation point above 3,500&9{=}C; boiling point 4,827&9{=}C; specific gravity of amorphous carbon 1.8 to 2.1, of diamond 3.15 to 3.53, of graphite 1.9 to 2.3; valence 2, 3, 4.See table at element 符号 C 碳：一种在自然界很丰富的非金属元素，存在于很多无机化合物和有机化合物中，以石墨和金刚石的形式以及作为煤，石灰岩和石油的一种成份大量存在，能在化学上自我结合而形成大量化学上，生物上和商业上重要的分子，原子序数6；原子量12.01115；升华点高于3,500&9{=}C；沸点4,827&9{=}C；非结晶质碳的比重为1.8至2.1，钻石的比重为3.15至3.53，石墨的比重为1.9至2.3；化合价为2，3，4参见 element2. A sheet of carbon paper.复写纸3. A copy made by using carbon paper.复写本，副本：用复写纸复印的一份4. Electricity 【电学】 5. Either of two rods through which current flows to form an arc, as in lighting or welding.碳精棒：两根棒的任一根，电流流经该棒形成电弧，如在闪电或焊接时6. A carbonaceous electrode in an electric cell.碳（精电）极：电池里的碳质电极语源:1. French carbone 法语 carbone 2. from Latin carb½ carb½n- [a coal, charcoal] * see ker- 3源自 拉丁语 carb½ carb½n- [煤，木炭] *参见 ker- 3继承用法:car“bonous AHD: [-b…-n…s] （形容词） |
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