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单词 stain
释义
stain
verb
uk
/steɪn/us
/steɪn/

stainverb(MARK)

C2[IorT]
toleaveamarkon something that isdifficulttoremove:
沾污，染污；留下污迹
Tomatosaucestainsterribly- it's reallydifficultto get it out ofclothes.让番茄酱沾上很麻烦——很难把它从衣服上洗掉。
While she waschangingthewheelon hercar, hercoathadbecomestainedwithoil.她给汽车换轮胎时，外套沾上了油污。
[I]
If amaterialstains, itabsorbssubstanceseasily,causingit tobecomecoveredwithmarks, orcolouredby achemical:
易染污；易着色
Thiscarpetisidealfor thekitchenbecause it doesn't staineasily.这块地毯很适合在厨房里用，因为它很耐脏。
[T]
tochangethecolourof something using achemical:
给…染色；给…着色
Shestrippedthefloorboardsand stained themdarkbrown.她刮掉原来的漆，把地板刷成了深棕色。
More examples
  • Water and otherliquidscan stainunprotectedwoodsurfaces.
  • Lilypollenstains reallybadly.
  • Redwinestains.
  • Thewooditself waslightbut I stained itdarker.
  • You can stainwoodin differentcolours.
SMART Vocabulary: related words and phrases
Making things dirty & untidy
  • blacken
  • blot
  • clutter
  • contaminate
  • defile
  • dirty
  • disarrange
  • mark
  • mess
  • mix
  • mixsomeone/somethingup
  • muddle
  • muddlesomethingup
  • muss
  • pollute
  • polluter
  • recontaminate
  • soil
  • tarnish
See more results »

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

Colour - general words

stainverb(SPOIL)

C2[T]literary
topermanentlyspoilsomething such as someone'sreputation:
败坏，玷污（名声等）
Severalimportantpoliticianshave hadtheirreputationsstainedbythisscandal.好几位重要的政界人士都因为这起丑闻而名声受损。
The country'shistoryis stainedwiththebloodof(= thecountryisguiltyofkilling)millions ofinnocentmen and women.这个国家的历史沾满了数百万无辜者的鲜血。
SMART Vocabulary: related words and phrases
Damaging reputation
  • anti-defamation
  • aspersion
  • besmirch
  • black mark
  • blacken
  • blot
  • demonize
  • dog
  • dragsomeone'sname through the mire/mudidiom
  • give a dog a bad nameidiom
  • hurl/throw/sling mud atsomeoneidiom
  • poison
  • self-immolation
  • show someone in a bad lightidiom
  • slander
  • slanderer
  • slanderous
  • slur
  • smear
  • stab
See more results »
stain
noun
uk
/steɪn/us
/steɪn/

stainnoun(MARK)

B1[C]
adirtymarkon something that isdifficulttoremove:
污渍；污点
ablood/grassstain血污／草渍
You canremovearedwinestain from acarpetbysprinklingsaltover it.地毯上红酒的污渍可以通过撒些盐来清除。
Thesaurus: synonyms, antonyms, and examples
a mark on something
  • markThe backs of the chairs have left marks on the wall.
  • stainShe had grass stains on her white jeans.
  • smearHe had smears of tomato ketchup on his shirt.
  • smudgeNo matter how often I wash my hands, I leave smudges all over my phone's screen.
  • blotchHe had blotches all over his face.
  • speckShe looked through the old camera lens and saw specks of dust.
See more results »
[C]
achemicalforchangingthecolourof something
染色剂；着色剂
SMART Vocabulary: related words and phrases
Dirt & untidiness
  • bloodstain
  • blotch
  • clutter
  • contaminant
  • contamination
  • crud
  • filthiness
  • fleck
  • grime
  • grunge
  • gunge
  • muck
  • omnishambles
  • pollutant
  • polluter
  • recontamination
  • scruff
  • shambles
  • slime
  • slob
See more results »

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

Chemistry: types of chemical

stainnoun(DAMAGE)

[S]literary
permanentdamageto someone'sreputationorcharacter:
污点
Hissolicitorsaid, "Heleavesthiscourtwithout a stainonhischaracter."他的律师说：“他走出法庭时名声将丝毫无损。”
SMART Vocabulary: related words and phrases
Damaging reputation
  • anti-defamation
  • aspersion
  • besmirch
  • black mark
  • blacken
  • blot
  • demonize
  • dog
  • dragsomeone'sname through the mire/mudidiom
  • give a dog a bad nameidiom
  • hurl/throw/sling mud atsomeoneidiom
  • poison
  • self-immolation
  • show someone in a bad lightidiom
  • slander
  • slanderer
  • slanderous
  • slur
  • smear
  • stab
See more results »
(Definition ofstainfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

stain| American Dictionary

stain
verb[I/T]
us
/steɪn/
toleaveamarkon something that isdifficulttoremove, or tobecomecoloredorspoiledby amark:
[T]Strawberryjuicestained myshirt.
[I]Thiscarpetispracticalbecause it doesn’t staineasily.
If you stainwood, you put asubstanceon it thatchangesitscolor:
[T]Instead ofpaintingthewoodwork, she stained itdarkbrown.

stainless

adjectiveus
/ˈsteɪn·ləs/
stain
noun[C]
us
/steɪn/
adirtymarkon something that isdifficulttoremove:
Thetomatosaucelefta stain on thetablecloth.
A stain is also athin,oilyliquidused tochangethecolorofwood.
biology
A stain is also achemicalused tocolorcellsto make themeasiertoseewhenstudyingthem under amicroscope.
(Definition ofstainfrom theCambridge Academic Content Dictionary© Cambridge University Press)

Examplesofstain

stain
The product was analyzed by agarose (2%) gel electrophoresis and stained with ethidium bromide.
From theCambridge English Corpus
We have previously demonstrated that staining for intracellular cytokines correlated with cytokine secretion.
From theCambridge English Corpus
The protocol is especially robust with respect to absence of background staining that can limit assay interpretation.
From theCambridge English Corpus
Specimens were cut longitudinally to the midline, and 5-m sections mounted for staining with hematoxylin and eosin or toluidine blue.
From theCambridge English Corpus
In each assay, five categories of staining were observed as defined previously.
From theCambridge English Corpus
The staining intensity was categorically coded as 0 (absent), 1 (weak), 2 (moderate), or 3 (strong).
From theCambridge English Corpus
In the progression from normal mucosa to metaplasia to dysplasia, the results obtained with both antibodies suggested differences in staining frequency and intensity.
From theCambridge English Corpus
We found minor differences in the staining pattern between methanol and paraformaldehyde fixed cells, but immuno-labeled nuclear structures were visible regardless of fixation.
From theCambridge English Corpus
The sections were stained with antibodies for those two antigens.
From theCambridge English Corpus
Nerves estimated to contain greater than 25 dark staining axons per section but still maintaining a significant portion of live axons were rated as moderate.
From theCambridge English Corpus
Serial sagittal sections passing through the optic nerve were collected, stained with hematoxylin and eosin, and analyzed for pathologic changes.
From theCambridge English Corpus
Sections (6 m) were cut from both faces of bisected tissues and stained with hematoxylin and eosin.
From theCambridge English Corpus
There is no difference in staining pattern in regard to the subtypes of the rhabdomyosarcomas, namely embryonal or alveolar subtypes.
From theCambridge English Corpus
Distribution and morphology of human cone photoreceptors stained with anti-blue opsin.
From theCambridge English Corpus
Between 30 and 60 min we frequently observed parasites having surface patches on the schistosomulum body but with little or no staining on the anterior.
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/stain##
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更新时间：2024/12/28 1:45:49