carbon是什么意思？

carbon

英[ˈkɑ:bən] 美[ˈkɑrbən]

• n. [化学]碳，（一张）复写纸，[电]碳精棒[片，粉]，碳精电极，复写的副本；
• adj. 碳的，碳处理的；

复数：carbons;

例句

• The carbon14 atoms oxidise to carbon dioxide which gets blown about and mixed up with lower atmosphere. 碳14原子氧化生成二氧化碳，向四周散去并与低空的大气混合。
• carbon monoxide pollution 一氧化碳污染
• The lime water has turned cloudy, therefore carbon dioxide has been produced during the experiment. 石灰水变得混浊了, 可见在实验中有二氧化碳生成了。
• Carbon is an element,while carbon dioxide is a compound. 碳是一种(化学)元素,而二氧化碳则是一种化合物。
• Coke burns with oxygen to give carbon dioxide. 焦碳用氧气燃烧，产生二氧化碳。
• Diamonds are pure carbon. 钻石是纯净的碳。
• amorphous carbon 无定形碳
• Theresa's first marriage was almost a carbon copy of her parents'. 特雷莎的第一次婚姻简直就是她父母婚姻的翻版。
• She's a carbon copy of her mother... 她和她妈妈就像是一个模子里刻出来的。
• It has the plastic seperator for carbon copy checks. 它具有塑料的碳副本检查分隔符.

英语四级真题

Mr Obama's plan to curb carbon dioxide (CO2) emissions (排放), though necessary, will be far from cost-free, whatever his sunny speeches on the subject might suggest.
出自-2013年6月阅读原文
According to the author, Obama's plan to limit carbon dioxide emissions will by no means be inexpensive
出自-2013年6月阅读原文
And it would take an average of 65 years for the reduced carbon emissions from a new energy-efficient home to make up for the resources lost by destroying an old one.
出自-2010年6月阅读原文

英语六级真题

Left alone, it was assumed, the world's rain forests would not only flourish but might even rescue us from disaster by absorbing the excess carbon dioxide and other planet-warming greenhouse gases.
出自-2013年6月阅读原文
Some scientists believe that the rise in carbon levels means that the Amazon and other rain forests in Asia and Africa may go from being assets in the battle against rising temperatures to liabilities
出自-2013年6月阅读原文
billion metric tons of carbon into the atmosphere each year - making forests the leading source of greenhouse gases.
出自-2013年6月阅读原文

柯林斯高阶英汉双解学习词典释义

• N-UNCOUNT
  碳
  Carbon is a chemical element that diamonds and coal are made up of.
• N-COUNT
  复写纸
  A carbon is a sheet of carbon paper.
  例句
  He inserted the paper and two carbons. 他放入了那张纸和两张复写纸。

英汉词典释义

• n.
  〈化〉碳
  Diamonds are pure carbon. 钻石是纯净的碳。

英英词典释义

• Noun
  1. an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds
  2. a thin paper coated on one side with a dark waxy substance (often containing carbon); used to transfer characters from the original to an under sheet of paper
  3. a copy made with carbon paper

行业词典

• 医学： 碳：非金属的四价元素，金刚钻内所含的几乎是纯品，木炭、石墨和煤内所含的接近纯品。符号为C；原子序数为6；原子量为12.０11；碳精电极：由碳壳制成的电极，其中可包含药物；