Word · Frequency #3062
carbon
碳
a nonmetallic chemical element (symbol C) that exists in all organic compounds and in forms such as diamond and graphite
化学元素，符号 C
- 1.
The chemical element (symbol C) with an atomic number of 6. It can be found in pure form for example as graphite, a black, shiny and very soft material, or diamond, a colourless, transparent, crystalline solid and the hardest known material.
化学元素(符号C),原子序数6。纯态如石墨(黑色有光泽极软)或金刚石(无色透明结晶,最硬物质)。
- 2.
An atom of this element, in reference to a molecule containing it.
该元素的一个原子,指分子中的碳原子。
- 3.
A fossil fuel that is made of impure carbon such as coal or charcoal.
由不纯碳构成的化石燃料,如煤或木炭。
- 4.
Soot.
煤烟。
- 5.
A carbon rod or pencil used in an arc lamp.
弧光灯中使用的碳棒或碳笔。
- 6.
A plate or piece of carbon used as one of the elements of a voltaic battery.
伏打电池中用作电极的碳板或碳片。
复写本；副本；化学元素(符号C),原子序数6。纯态如石墨(黑色有光泽极软)或金刚石(无色透明结晶,最硬物质)。；该元素的一个原子,指分子中的碳原子。；由不纯碳构成的化石燃料,如煤或木炭。；煤烟。
In use
Carbon is an element that is present in all living things.
Diamonds are a pure form of carbon.
Burning wood releases carbon into the air.
carbon (不可数) 作主语或定语
碳作不可数名词时，指化学元素。
Carbon is a chemical element found in all organic compounds.
碳是存在于所有有机化合物中的一种化学元素。
a carbon (可数) 指副本
carbon可数，指用复写纸或复印机做出的副本。
Please make a carbon of this document.
请复印这份文件。
carbon + 名词 构成复合词
carbon常与名词连用，表示与碳相关的概念。
Carbon emissions are a major cause of climate change.
Connections
Collocations
- carbon dioxide
- 二氧化碳
- Carbon dioxide is a greenhouse gas that contributes to global warming.二氧化碳是一种导致全球变暖的温室气体。
- carbon footprint
- 碳足迹
- Reducing your carbon footprint can help mitigate climate change.减少碳足迹有助于缓解气候变化。
- carbon emissions
- 碳排放
- Many countries are working to lower their carbon emissions.许多国家正在努力降低碳排放。
- carbon offset
- 碳补偿
- They purchased carbon offsets to neutralize the emissions from their flight.他们购买了碳补偿以抵消航班的排放。
- carbon capture
- 碳捕集
- Carbon capture technology can remove CO2 from industrial exhaust.碳捕集技术可以从工业废气中去除二氧化碳。
- carbon fiber
Learner notes
Memory Tip
“carbon”音似“卡本”，想象一张碳纸夹在本子里复写，卡住纸张。记住碳的副本就是复写纸。
Context & Register
[object Object]
Grammar Note
作为化学元素时不可数，作为复写纸副本时可数，常用复数carbons表示多种碳或副本。
Pronunciation & Spelling
Words beginning with 'car' (e.g., car, card) share the initial /kɑː/ sound with carbon, but their endings differ. The word 'ribbon' ends with the same /bən/ sound but with a different stressed vowel, so it does not rhyme with carbon.
Usage priority
Collins 词频等级为 3，建议结合例句记忆，而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.