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单词 lens
释义
lens
noun[C]
uk
/lenz/us
/lenz/

lensnoun[C](GLASS)

acurvedpieceofglass,plastic, or othertransparentmaterial, used incameras,glasses, andscientificequipment, that makesobjectsseemcloser,larger,smaller, etc.:
镜片，镜头，透镜
acamerawith azoomlens变焦（镜头）照相机
picture of lens
Dorling Kindersley/GettyImages
→contact lens
隐形眼镜（同 contact lens）
picture of lens
sbayram/E+/GettyImages
SMART Vocabulary: related words and phrases
Physics: optics, microscopy & lasers
  • anti-reflection
  • anti-reflective
  • chromatic aberration
  • concentrator
  • converging lens
  • electron microscope
  • eyepiece
  • field glasses
  • magnification
  • magnifying glass
  • opera glasses
  • optics
  • polarization
  • polarize
  • polarized
  • polarizer
  • reflect
  • reflecting telescope
  • reflection
  • transparency
See more results »

You can also find related words, phrases, and synonyms in the topics:

Eyesight, glasses & lenses

lensnoun[C](EYE)

thepartof theeyebehind thepupil(= theblackholeat thefrontof theeye)thathelpsyou toseeclearlybyfocusing(=collecting)lightonto theretina
（眼球的）晶状体
SMART Vocabulary: related words and phrases
The eye & surrounding area
  • beady
  • beetling
  • blink
  • ciliary
  • cone
  • conjunctiva
  • crow's feet
  • epiretinal membrane
  • extraocular
  • fovea
  • hazel
  • peeper
  • retina
  • retinal
  • rheumy
  • sclera
  • simple eye
  • squint
  • staring
  • supraorbital
See more results »
(Definition oflensfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

lens| American Dictionary

lens
noun[C]
us
/lenz/

lensnoun[C](GLASS)

apieceofglassorplastichaving acurvedsurfaceinordertochangetheimagesthat arereceivedafter going through it, usually to make themlarger,smaller, orclearer:
acameralens
Hereyeglasseshavethicklenses.

lensnoun[C](EYE)

acurved,transparentpartof theeyethathelpsyou toseeclearlybydirectingimagesoflightonto theretina(= the backsurfaceof theeye)
(Definition oflensfrom theCambridge Academic Content Dictionary© Cambridge University Press)

Examplesoflens

lens
The mid-part of the head is covered with coarse tubercles and expands forwards; the eyes include a few, very large lenses.
From theCambridge English Corpus
Transparent lenses caused little distortion of the underlying grid.
From theCambridge English Corpus
As in the case of the non-cataractous diabetic lenses, detailed information concerning the diabetic type, disease duration, and treatment was not distributed.
From theCambridge English Corpus
Much of this is because the changes identified in the 1960s are viewed through different historical lenses.
From theCambridge English Corpus
Later, with the introduction of better-quality lenses, the camera obscura would have been used for painting.
From theCambridge English Corpus
The objective lenses required for cathodoluminescence must have long working distances, so choice is often limited and prices high.
From theCambridge English Corpus
The overwhelming majority of respondents in both groups used corrective lenses.
From theCambridge English Corpus
The overlying mudstone (in places mudstone-siltstone-sandstone alternations) is typically red and includes thin lenses or layers of dirty whitish caliche intervals.
From theCambridge English Corpus
A few limestone lenses also occur at the top of the succession.
From theCambridge English Corpus
Low-quality lenses collimated the light giving a nearly cubic test section of side 12.7 em.
From theCambridge English Corpus
Grainstones forming lenses within reefs have significantly different attributes.
From theCambridge English Corpus
Sheets and lenses of medium to coarse sandstones with quartz pebbles alternate with breccia sheets.
From theCambridge English Corpus
The pouch could be observed using transmitted light and objective lenses from x 1 to x 20 magnification.
From theCambridge English Corpus
However, his model did not include a criterion for formation of new ice lenses.
From theCambridge English Corpus
The rat eyes were also enucleated, and the anterior chambers and lenses were removed.
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/lens##
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更新时间：2024/12/27 20:02:43