[U]碳 a simple substance found in a pure form as diamonds, etc. or in an impure form as coal, petrol
英英释义
Noun:
an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds
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
a copy made with carbon paper
双语例句
1. In its untreated state the carbon fibre material is rather like cloth.
原始的碳纤维材料很像布料。
来自柯林斯例句
2. The two principal combustion products are water vapor and carbon dioxide.
两种主要的燃烧产物是水蒸气和二氧化碳。
来自柯林斯例句
3. In graphite sheets, carbon atoms bond together in rings.
石墨层中的碳原子相互连接形成碳环。
来自柯林斯例句
4. Mars has an insubstantial atmosphere, consisting almost entirely of carbon dioxide.
火星的大气层极其稀薄，几乎全部由二氧化碳构成。
来自柯林斯例句
5. Carbon dioxide is a necessary result of the oxidation of carbon compounds.
碳化合物氧化后必然会产生二氧化碳。
来自柯林斯例句
用作名词 (n.)
Carbon dioxide consists of carbon and oxygen. 二氧化碳是由碳和氧组成的。
He decided to use carbon because it does not melt. 于是，他决定用碳，因为碳不易熔化。
I make a carbon copy of my documents. 我用复写纸复写文件。
She put the carbon paper in the wrong way round. 他把复写纸放反了。
The stick of carbon is often used in an electric arc lamp. 碳精棒常用于电弧灯。
