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单词 carbon
释义
carbon
noun
uk
/ˈkɑː.bən/us
/ˈkɑːr.bən/

carbonnoun(SUBSTANCE)

B2[U]
(symbolC)
achemicalelementthatexistsinitspureformasdiamondorgraphite, and is animportantpartof othersubstancessuch ascoalandoil, as well as beingcontainedin allplantsandanimals
碳
Examples
  • They used carbondatingteststoauthenticatetheclaimthat theskeletonwas 2 millionyearsold.
  • Newlegislationaimstoreducecarbonemissions.
  • Thesubstancewasidentifiedas carbon.
SMART Vocabulary: related words and phrases
Chemical elements
  • actinium
  • alkali metal
  • americium
  • astatine
  • berkelium
  • brimstone
  • bromine
  • calcium
  • fluorine
  • germanium
  • iodine
  • lithium
  • manganese
  • nickel
  • plutonium
  • quicksilver
  • selenium
  • sodium
  • transition metal
  • zinc
See more results »

carbonnoun(DOCUMENT)

[C]
acarbon copy
复写本
SMART Vocabulary: related words and phrases
Copying and copies
  • anti-counterfeiting
  • anti-piracy
  • ape
  • biomimicry
  • blueprint
  • bootleg
  • derivative
  • facsimile
  • imaging
  • imitate
  • imitation
  • imitative
  • imitator
  • mail merge
  • pirate
  • pirated
  • plagiarism
  • plagiarize
  • recopy
  • reproduce
See more results »
(Definition ofcarbonfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

carbon| American Dictionary

carbon
noun[U]
us
/ˈkɑr·bən/
biology,chemistry
achemicalelementthat iscontainedin allanimalsandplants, and that is animportantpartof othersubstancessuch ascoalandoil, andexistsinitspureformasdiamondsandgraphite
(Definition ofcarbonfrom theCambridge Academic Content Dictionary© Cambridge University Press)

carbon| Business English

carbon
noun
uk
/ˈkɑːbən/us
[U]NATURAL RESOURCES
achemicalelement(=simplechemicalsubstance), whichexistsin allplantsandanimals, and is animportantpartofcoalandoil. When carbon isburneditproducescarbondioxideandcarbonmonoxide:
Allorganicsubstancescontaintheelementcarbon.
Carbonexistsinitspureformasdiamondorgraphite.
carbonatoms
[U]ENVIRONMENT
used as ashortformforcarbondioxide,especiallywhentalkingabout theenvironmentandclimatechange:
Carmakersare alreadyworkinghard onreducingcarbon.
Theplanwouldremovetwobilliontonsof carbon ayearfrom theatmosphere.
[C]WORKPLACE
acarbon copy
(Definition ofcarbonfrom theCambridge Business English Dictionary© Cambridge University Press)

Examplesofcarbon

carbon
Decline in soil organiccarbonand total nitrogen in relation to tillage, stubble management and rotation.
From theCambridge English Corpus
The y-axis represents fraction total organiccarbonremaining.
From theCambridge English Corpus
The cost of replacingcarbonby growing trees is so high primarily because of the opportunity costs of foregoing agricultural production on prime cropland.
From theCambridge English Corpus
Finally, growing trees for energy would reduce another 2.2 tons ofcarbonper hectare in the village facility and 3.6 tons in the centralized facility.
From theCambridge English Corpus
It makes nutrients available for growth of primary producers and it releasescarbondioxide to the atmosphere.
From theCambridge English Corpus
Supply-side options are shown in the rows of table 1, and are put under two subheadings:carbonandcarbon-neutral.
From theCambridge English Corpus
Only in the case ofcarbonmonoxide does this conclusion not seem to hold, possibly because mitigation measures are much more limited.
From theCambridge English Corpus
Geochemical observations appear to mirror palaeontological data, thus possibly relating chemical changes within thecarboncycle to biotic evolution.
From theCambridge English Corpus
If methane is a causal mechanism, the repetition of the negativecarbonexcursions could be accounted for by multiple releases of methane.
From theCambridge English Corpus
Thus, elementalcarbonwas released from the electrodes during arcing.
From theCambridge English Corpus
Reproducibility of replicate analyses of standards was generally better than 0.1 for bothcarbon- and oxygen-isotope ratios.
From theCambridge English Corpus
We then compare the outcomes of thecarbonreduction simulations with the baseline solution.
From theCambridge English Corpus
For instance, net growth in cultivated tree stocks increasescarbonsequestration and storage capacity.
From theCambridge English Corpus
Therefore, marginal lands are not necessarily more economically efficient at sequesteringcarbon, and indeed the opposite may be true.
From theCambridge English Corpus
Paralysis would also affect the respiratory system leading to elevated breathing rates and an increase incarbondioxide expiration.
From theCambridge English Corpus
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
#https://dictionary.cambridge.org//dictionary/english/carbon##
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更新时间：2025/1/14 16:45:07