Word · Frequency #3062
carbons
碳
carbons is the plural of carbon.
核心释义
化学元素,符号 C
a nonmetallic chemical element (symbol C) that exists in all organic compounds and in forms such as diamond and graphite
- 1.
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)。
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.
- 2.
该元素的一个原子,指分子中的碳原子。
An atom of this element, in reference to a molecule containing it.
- 3.
由不纯碳构成的化石燃料,如煤或木炭。
A fossil fuel that is made of impure carbon such as coal or charcoal.
- 4.
煤烟。
Soot.
- 5.
弧光灯中使用的碳棒或碳笔。
A carbon rod or pencil used in an arc lamp.
- 6.
伏打电池中用作电极的碳板或碳片。
A plate or piece of carbon used as one of the elements of a voltaic battery.
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。
用法In use
Carbon is an element that is present in all living things.
用法提示:carbon 为不可数名词,表示化学元素碳。
Diamonds are a pure form of carbon.
用法提示:carbon 作不可数名词,指碳元素本身。
Burning wood releases carbon into the air.
用法提示:carbon 作不可数名词,指燃烧产生的碳。
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.
相关词与表达Connections
搭配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
学习提示Learner notes
记忆技巧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。
语境与语域Context & Register
[object Object]
语法说明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。
发音与拼写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.
用法优先级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。
一起学习词形
Dictionary facts from ECDICT, WIKTIONARY.