carbon

B2 CET-4 Oxf 5000 高中 FREQ #5836 ★★★☆☆

n. 碳, 副本, 复写纸 [化] 碳

发音

US /ˈkɑɹ.bən/
UK /ˈkɑːbən/

词形变化

carbons 复数 carbons carboned carboning carbons 三单 carboning 现在分词 carboned 过去式 carboned 过去分词

别名

CHON CHONPS carbone

教材释义与例句

名词

[化学] 碳；碳棒；复写纸

a chemical substance that exists in a pure form as diamonds, graphite etc, or in an impure form as coal, petrol etc. It is a chemical element : symbol C

名词

碳；碳棒；复写纸

Across the world, forests and the soil beneath them absorb about a quarter of all carbon emissions.

纵观全球，森林与它们脚下的土壤能吸收大约碳排放总量的四分之一。

释义与例句

n. B2 Oxf 5000
  1. 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.

    碳

    炭素

    不可数 可数

    All life as we know it has carbon as the backbone of many of its molecules; carbon’s tetravalence gives it special importance in biochemical molecular bonds.

  2. 2.

    An atom of this element, in reference to a molecule containing it.

    可数 不可数

    A methane molecule is made up of a single carbon with four hydrogens.

  3. 3.

    A sheet of carbon paper.

    可数 非正式 不可数
  4. 4.

    A carbon copy.

    可数 非正式 不可数

    Please provide me with a carbon of your form.

    Press firmly: you are making a carbon.

  5. 5.

    A fossil fuel that is made of impure carbon such as coal or charcoal.

    煤

    可数 不可数
  6. 6.

    Soot.

    可数 不可数

    Every morning she cleaned the carbon from the lamp chimneys.

  7. 7.

    Soot.

    Especially, hardened soot as a caked-on deposit.

    可数 不可数

    When you overhaul an engine, you need to remove the carbon from around the valve seats. The carbon buildup can be extensive.

  8. 8.

    Ellipsis of carbon dioxide.

    不可数 生物 可数

    carbon neutral

    carbon capture

  9. 9.

    A carbon rod or pencil used in an arc lamp.

    可数 不可数
  10. 10.

    A plate or piece of carbon used as one of the elements of a voltaic battery.

    可数 不可数
  11. 11.

    Ellipsis of carbon fiber (reinforced polymer).

    可数 非正式 不可数

    carbon bike frame

v.
  1. 1.

    To send a carbon copy of an email message to.

    及物

    When I send it, I’ll carbon Julia so she’s aware.

词汇关系

名词

同义词 3

c carbon copy carbon paper

上位词 3

paper copy nonmetal

下位词 10

diamond charcoal adamant char crock soot smut graphite activated carbon activated charcoal

整体词 8

oil coal crude limestone petroleum crude oil fossil oil rock oil

相关短语

carbon dioxide 二氧化碳 [化] 二氧化碳 carbon footprint n. 碳足迹, 一个计算二氧化碳的新词, 也称作“碳排放” carbon fiber [化] 碳纤维 carbon neutrality 碳中立；零碳即碳中和；无碳污染 carbon monoxide 一氧化碳 [化] 一氧化碳 carbon paper 复写纸 [化] 复写纸; (俗称)炭纸 carbon copy [经] 复写的副本 carbon black [化] 炭黑 carbon tax 二氧化碳税 carbon sequestering carbon copies carbon fibre [化] 碳纤维 carbon burning carbon anhydride carbon arc [电] 碳弧

词源

Borrowed from French carbone, coined by Antoine Lavoisier, from Latin carbō, carbōnem (“charcoal, coal”), possibly from Proto-Indo-European *kerh₃- (“to burn”). By surface analysis, carbo- + -on.

来源：wiktionary