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单词 sac
释义
sac
noun[C]
uk
/sæk/us
/sæk/

sacnoun[C](BAG OF LIQUID)

biologyspecialized
apartof aplantoranimalthat is like abagand oftencontainsliquid, or asimilarartificiallymadestructure:
Bursa are fluid-filled sacsthroughoutthebodywhosefunctionis toreducefrictionbetweenmusclesandtendonsas theymoveoverbones.
A sac ofsalinesolutionis theninsertedinto thecavity.
SMART Vocabulary: related words and phrases
Parts of plants
  • bilobed
  • blade
  • bough
  • bulb
  • calyx
  • caning
  • cascara sagrada
  • corolla
  • endodermis
  • needle
  • outgrowth
  • rhizome
  • simple leaf
  • spine
  • stoma
  • tea leaf
  • variegation
  • vascular
  • veined
  • vesicle
See more results »

sacnoun[C](SWOLLEN AREA)

medicalspecialized
atypeofabscess(=swollenareacontainingathickyellowliquid)under theskin:
脓肿
Sacs ofpus, calledabscesses, mayformin thepelvis.
SMART Vocabulary: related words and phrases
Skin complaints & blemishes
  • age spot
  • anti-crack
  • anti-dandruff
  • anti-leprosy
  • anti-ulcer
  • birthmark
  • carbuncle
  • chapped
  • contusion
  • eczema
  • impetigo
  • itchy
  • melanoma
  • pruritic
  • pruritus
  • pyoderma gangrenosum
  • redness
  • rosacea
  • scald
  • shingle
See more results »

sacnoun[C](TUMOUR)

medicalspecialized
acoveringthatsurroundsatumour
（肿瘤的）囊膜
SMART Vocabulary: related words and phrases
Coverings and layers
  • a blanket ofsomethingidiom
  • beeswax wrap
  • blanket
  • brazen
  • casing
  • diaphragm
  • interstratification
  • interstratify
  • lagging
  • layer
  • layered
  • seam
  • sheath
  • strata
  • stratum
  • substratum
  • superstratum
  • tar paper
  • varnish
  • vein
See more results »

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

Cancer
Swellings & lumps
(Definition ofsacfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)
sac
noun[C]
uk
/sæk/us
/sæk/

sacnoun[C](BAG OF LIQUID)

biologyspecialized
apartof aplantoranimalthat is like abagand oftencontainsliquid
（动植物的）囊，液囊

sacnoun[C](SWOLLEN AREA)

medicalspecialized
atypeofabscess(=swollenareacontainingathickyellowliquid)under theskin
脓肿

sacnoun[C](TUMOUR)

medicalspecialized
acoveringthatsurroundsatumour
（肿瘤的）囊膜

sac| American Dictionary

sac
noun[C]
us
/sæk/
biology
apartinside aplantoranimalwhich is like asmallbagandcontainsliquidorair
(Definition ofsacfrom theCambridge Academic Content Dictionary© Cambridge University Press)

Examplesofsac

sac
The evertedsacexperiments are prone to methodological errors, especially damage caused by the everting procedure, but we took great care to minimize these.
From theCambridge English Corpus
No trematodes were observed in the lung or airsac, heart, liver, spleen and kidney of all bats and swallows.
From theCambridge English Corpus
To bypass some of the potentially complex requirements for fertilisation, we used isolated embryo sacs rather than isolated egg cells.
From theCambridge English Corpus
The visceral yolksac, allantois and amnion were dissected away from the fetal material and excess fluid was wiped clear prior to measuring the weight.
From theCambridge English Corpus
The exocoelomic cavity contains the yolksac, which is connected to the primitive digestive tract and fetal circulation.
From theCambridge English Corpus
Tested organs include lung or airsac, heart, spleen, liver, kidneys and intestine.
From theCambridge English Corpus
Various-sized blebs developed in the area between the oral sucker and ventrogenitalsac.
From theCambridge English Corpus
This in turn was shown to depend on the growth rates of the embryo and embryosac, both of which differed between genotypes.
From theCambridge English Corpus
We estimate that two experimenters can microinject a maximum of 15 embryo sacs per experiment with a 14% success rate of injecting recipient cells.
From theCambridge English Corpus
The trend was in the order yolksacendoderm epiblast derivatives > placenta.
From theCambridge English Corpus
The eye movement classification is indicated in the upper left corner of the histogram (saccadesac, mixed mix, position 0drift activated pos).
From theCambridge English Corpus
These two tubes expand partially into five pairs ofsac-like structures.
From theCambridge English Corpus
Part of the filler wire protruded from the finalsac.
From theCambridge English Corpus
Visualisation of the complete cervical canal with a gestationalsacover it and an empty uterine cavity confirms placental insertion in the scar.
From theCambridge English Corpus
The paired ovaries of these caecilians are elongatedsac-like structures each including numerous vitellogenic follicles.
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/sac##
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更新时间：2024/12/28 3:38:41