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单词 cataract
释义
cataract
noun[C]
uk
/ˈkæt.ə.rækt/us
/ˈkæt̬.ə.rækt/

cataractnoun[C](DISEASE)

adiseasein which anareaof someone'seyebecomeslessclearso that they cannotseeclearly, or theareaaffectedin this way
白内障
SMART Vocabulary: related words and phrases
Eyesight, glasses & lenses
  • accommodative
  • afterimage
  • age-related macular degeneration
  • AMD
  • astigmatic
  • bespectacled
  • bifocals
  • boss-eyed
  • dark glasses
  • eyestrain
  • goggles
  • macular degeneration
  • monocular
  • multifocal
  • naked
  • nearsightedly
  • ophthalmology
  • pince-nez
  • snow blindness
  • sty
See more results »

cataractnoun[C](WATER FEATURE)

literary
alargewaterfall
大瀑布
picture of cataract
Dhwee/Moment/GettyImages
SMART Vocabulary: related words and phrases
Watercourses & waterfalls
  • amazon
  • arroyo
  • beck
  • bourne
  • brook
  • burn
  • cascade
  • Euphrates
  • fluvial
  • fordable
  • gulch
  • gully
  • maelstrom
  • plunge pool
  • rapids
  • rill
  • riverbed
  • riverine
  • runnel
  • waterway
See more results »
(Definition ofcataractfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

cataract| American Dictionary

cataract
noun[C]
us
/ˈkæt̬·əˌrækt/

cataractnoun[C](EYE CONDITION)

anareaof theeyethatchangestobecomeunclear,causingapersonnot toseewell, or thisconditionof theeye

cataractnoun[C](FALLING WATER)

aplacein ariverwhere thewaterfallsto alowerlevel
(Definition ofcataractfrom theCambridge Academic Content Dictionary© Cambridge University Press)

Examplesofcataract

cataract
Moreover, how could the latter possibly be involved in cataracts, the calcification of cartilage or the loosening of teeth, etc.?
From theCambridge English Corpus
Targeted ablation of connexin50 in mice results in microphthalmia and zonular pulverulent cataracts.
From theCambridge English Corpus
The scientific studies conducted to date in this field are insufficient for drawing conclusions on how cataracts or macular degeneration can be prevented by antioxidants.
From theCambridge English Corpus
Color and solubility of the proteins of human cataracts.
From theCambridge English Corpus
First, crystalliform cataracts which either remained unchanged in character or occasionally became more extensive were observed in eyes which were subsequently found to demonstrate only minor histopathological changes.
From theCambridge English Corpus
In summary, after removal of nuclear sclerotic cataracts, the spectrum of light reaching the retina changes dramatically with a large increase in shor ter wavelength visible light.
From theCambridge English Corpus
Genetic and environmental factors in age-related nuclear cataracts in monozygotic and dizygotic twins.
From theCambridge English Corpus
The main reason for the concern is the worrying rise in the number of people diagnosed with skin cancer and eye cataracts that has occurred in recent years.
From theCambridge English Corpus
Action on cataracts: good practice guidance.
From theCambridge English Corpus
An animal model for inherited cataracts.
From theCambridge English Corpus
Specifically, the ozone layer provides protection from harmful ultraviolet radiation from the sun, which causes multiple illnesses and problems including skin cancer and cataracts.
FromEuroparl Parallel Corpus - English
He cannot even be treated for cataracts because of feared internal head injuries.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
We cannot boast of great cataracts or dense forests.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
Recognised opticians are able to deal with elderly people who have had cataracts removed.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
We have also recently announced new measures to tackle the wide variations in service experienced by patients with cataracts.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
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/cataract##
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更新时间：2024/12/28 9:48:53