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单词 cocoon
释义
cocoon
noun
uk
/kəˈkuːn/us
/kəˈkuːn/

cocoonnoun(COVER)

[C]
thecoveringmade ofsoft,smooththreadsthatsurroundsandprotectsparticularinsectsduring thepupastageas theydevelopintoadultform
茧；卵袋
picture of cocoon
PBNJ Productions/Blend Images/GettyImages
SMART Vocabulary: related words and phrases
The skin, hair & bone of non-human animals
  • astrakhan
  • baleen
  • bristly
  • bushy
  • coated
  • dander
  • eiderdown
  • feather
  • fleece
  • fur
  • hackles
  • horsehair
  • lambswool
  • mane
  • mother-of-pearl
  • sable
  • seashell
  • sheepskin
  • spine
  • wishbone
See more results »

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

The development & parts of insects

cocoonnoun(PROTECTED PLACE)

[Cusually singular]
asafe,quietplace:
安全宁静的地方；避风港
thewarm,safecocoon ofchildhood童年生活的温馨安逸、备受呵护
SMART Vocabulary: related words and phrases
Safe & enclosed spaces
  • awning
  • bolthole
  • booth
  • bunker
  • bus shelter
  • carrel
  • covert
  • drop-in
  • dugout
  • hideaway
  • hideout
  • hidey-hole
  • hiding place
  • invacuate
  • refuge
  • retreat
  • safe haven
  • safe house
  • sanctuary
  • sanctuary city
See more results »
cocoon
verb[Tusually passive]
uk
/kəˈkuːn/us
/kəˈkuːn/
toprotectsomeone or something frompainor anunpleasantsituation:
给…加上保护层，将…裹住
As astudentyou're cocoonedagainst/fromtherealworld.作为一名学生，你处在与现实世界隔离的环境之中。
SMART Vocabulary: related words and phrases
Defending and protecting
  • anti-bug
  • anti-mosquito
  • baby
  • bandobast
  • bastion
  • buffer
  • defence
  • defend
  • harbour
  • harm
  • have (got)someone'sbackidiom
  • hold off
  • inoculation
  • killsomeonewith kindnessidiom
  • sheltered
  • shield
  • splashproof
  • takesomeoneunderyourwingidiom
  • watchyourbackidiom
  • wing
See more results »
(Definition ofcocoonfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

cocoon| American Dictionary

cocoon
noun[C]
us
/kəˈkun/
thesilkycoveringthatenclosesandprotectscaterpillars(= atypeofinsect)during astageintheirlivesbefore theydevelopintoadults
fig.A cocoon is also asafe,quietplace:
thewarm,safecocoon ofchildhood
(Definition ofcocoonfrom theCambridge Academic Content Dictionary© Cambridge University Press)

Examplesofcocoon

cocoon
However, adult eclosion did not always occur from cocoons derived from hosts that had been parasitized at the later time points.
From theCambridge English Corpus
Six days later the female was supplied with similar cocoons and with one not covered with strawboard.
From theCambridge English Corpus
However, second and fourth instars were also readily attacked, together contributing almost 50% of the final number of parasitoid cocoons produced.
From theCambridge English Corpus
Under natural conditions, most cocoons were found in the upper 1 cm of sand within a radius of 500 cm from the nest.
From theCambridge English Corpus
The host larvae hatched, entered the apples, and when fully fed, emerged and made their cocoons.
From theCambridge English Corpus
Therefore, a second set of parasitized cocoons was left intact until the seventh day after oviposition and then carefully opened.
From theCambridge English Corpus
Parasitized cocoons were put into a climate chamber immediately after the female completed oviposition.
From theCambridge English Corpus
The cocoons were transferred to ventilated plastic containers for adult emergence and mating.
From theCambridge English Corpus
The cocoons were collected and placed in clean containers for adult emergence.
From theCambridge English Corpus
On the other hand, the soil was less compressed in the frames than in the field, making access to host cocoons easier.
From theCambridge English Corpus
Each generation, 150-200 cocoons were chosen at random from more than 1000 cocoons to produce adults for maintaining the culture.
From theCambridge English Corpus
Parasitoid cocoons were weighed, the wasp development time calculated and adult emergence monitored.
From theCambridge English Corpus
To make silk, the filaments from several cocoons are unwound and reeled together, resulting in fibres of extraordinary strength.
From theCambridge English Corpus
All cocoons that formed from parasitized hosts were removed from the stems and kept separately in vials plugged with cotton wool.
From theCambridge English Corpus
All individuals emerged from the same sample of cocoons.
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/cocoon##
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更新时间：2025/3/14 5:21:28