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单词 urchin
释义
urchin
noun[C]
old-fashionedorhumorous
uk
/ˈɜː.tʃɪn/us
/ˈɝː.tʃɪn/
asmallchild,especiallyone whobehavesbadlyand isdirtyoruntidilydressed:
（尤指肮脏淘气的）小孩
astreeturchin街头顽童
Thesaurus: synonyms, antonyms, and examples
a child
  • childWhen I was a child the summers seemed to go on for ever.
  • boyThere's a new boy in my class.
  • girlThe girl's name is Sally.
  • kidI'm off to pick up the kids from school.
  • kiddieI saw her with a little kiddie in a pushchair.
  • little oneThe little ones must be hungry by now.
See more results »
SMART Vocabulary: related words and phrases
Children & babies
  • ankle-biter
  • arrival
  • babe
  • babe in arms
  • baby
  • comfort blanket
  • crawler
  • designer baby
  • devil
  • diddums
  • oops-a-daisy
  • pacifier
  • papoose
  • perisher
  • pest
  • toddler
  • toilet-trained
  • tomboy
  • tot
  • tyke
See more results »
(Definition ofurchinfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

urchin| American Dictionary

urchin
noun[C]
dated
us
/ˈɜr·tʃən/
asmallchildwho isbadlydressedanddirty:
urchinsplayingin thestreet
(Definition ofurchinfrom theCambridge Academic Content Dictionary© Cambridge University Press)

Examplesofurchin

urchin
Activation of amino acid uptake at fertilization in the seaurchinegg.
From theCambridge English Corpus
A variety of methods has been developed to prevent formation of fertilisation membranes in seaurchineggs.
From theCambridge English Corpus
The hyaline layer is a collagen-containing extracellular matrix in seaurchinembryos and reaggregating cells.
From theCambridge English Corpus
Most of this work has been done with model organisms, especially sea urchins, but many of the principles governing fertilisation appear to be generally applicable.
From theCambridge English Corpus
Visually he was more iconic than the other street urchins in the comic and was the only character to look at and address readers directly.
From theCambridge English Corpus
In the present study about 20% of mouse oocytes were activated following injection of 10 seaurchinspermatozoa.
From theCambridge English Corpus
A localized zone of increased conductance progresses over the surface of the seaurchinegg during fertilization.
From theCambridge English Corpus
Proteolysis of the major yolk glycoproteins is regulated by acidification of the yolk platelets in seaurchinembryos.
From theCambridge English Corpus
In animal systems, studies on the activation of seaurchinand clam eggs have also found changes in enzyme activity and location.
From theCambridge English Corpus
Localisation of fluorescently labelled calmodulin in living seaurchineggs during early development.
From theCambridge English Corpus
Changing localizations of site-specific surface antiperhaps sequential patterns of gene expression during gens during seaurchinspermiogenesis.
From theCambridge English Corpus
The seaurchinegg is a model for such studies.
From theCambridge English Corpus
For example, in seaurchinoocytes, calciuminduced cortical granule exocytosis leads to the formation of a zygote with a mosaic plasma membrane.
From theCambridge English Corpus
Characteristics of individual repetitive sequence families in the seaurchingenome studied with cloned repeats.
From theCambridge English Corpus
Localization and possible role of molecules acetylcholinesterase in seaurchinembryos.
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/urchin##
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更新时间：2024/12/28 2:55:36