网站首页  词典首页

请输入您要查询的英文单词：

　

单词 precursor
释义
precursor
noun[C]
formal
uk
/ˌpriːˈkɜː.sər/us
/ˌpriːˈkɝː.sɚ/
something thathappenedorexistedbefore another thing,especiallyif it eitherdevelopedinto it or had aninfluenceon it:
先驱，先锋；先兆，前兆
Sulphurdioxideis themainprecursorofacidrain.二氧化硫是形成酸雨最重要的先决条件。
Biologicalresearchhas often been a precursortomedicalbreakthroughs.生物学研究往往是医学突破的先驱。
SMART Vocabulary: related words and phrases
Preceding and introducing
  • announce
  • antedate
  • beat
  • build(someone/something)up
  • countdown
  • curtain-raiser
  • emcee
  • forerunner
  • introduce
  • introduction
  • introductory
  • lead
  • lead up tosomething
  • lead-in
  • preface
  • preliminary
  • prelude
  • reintroduce
  • review
  • runsomethingup
See more results »
(Definition ofprecursorfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

precursor| American Dictionary

precursor
noun[C]
us
/prɪˈkɜr·sər,ˈpriˌkɜr-/
something that comes before another and mayleadto it orinfluenceitsdevelopment:
Opponentsfearthis would be a precursor todevelopmentof theentirecanyon.
(Definition ofprecursorfrom theCambridge Academic Content Dictionary© Cambridge University Press)

Examplesofprecursor

precursor
During lignification, phenyl rings of lignin precursors align to the cellulose molecule surfaces in a controlled and ordered process.
From theCambridge English Corpus
A set of precursors to cluster acquisition was thereby identified and shown to be recursive.
From theCambridge English Corpus
Understanding the ratio ofprecursortypes in the population might be useful therapeutically.
From theCambridge English Corpus
These particles were prepared from molecular precursors combined with a surface modification agent either by a photolytic or a thermal nucleation and growth step.
From theCambridge English Corpus
Proliferation of granule cell precursors in the dentate gyrus of adult monkeys is diminished by stress.
From theCambridge English Corpus
Multiple proteases may also be involved in the degradation of the many protein precursors found in the developing seed.
From theCambridge English Corpus
This was theprecursorto a remarkable series of events.
From theCambridge English Corpus
This board would be theprecursorto the local advisory boards that would later play a key role in managing the public grasslands.
From theCambridge English Corpus
Another behavioralprecursorof disorganized attachment might be frightening parental behavior in the absence of maltreatment.
From theCambridge English Corpus
Pain, in particular, was found to be a significantprecursorto the development of such disorders.
From theCambridge English Corpus
The electron number density profiles for the plasma around the wires, in the radial streams, and in theprecursorare also in close agreement.
From theCambridge English Corpus
In this enterprise of crossings and crossovers can be discerned the precursors of the hybrid genres now prominent in our own time.
From theCambridge English Corpus
Utilizing methanol and ethanol as the primary organic precursors, catalytic reaction products observed include alkanes, branched-phenyl compounds, carboxylic acids, and methyl-esters.
From theCambridge English Corpus
Theprecursoris in fact confined by the continuous bombardment of plasma from the radial streams.
From theCambridge English Corpus
They already contained coarse electron-dense granules - the presumedprecursorsubstance for the crystalline material.
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/precursor##
随便看

　

英汉词典包含213609条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。

　

Copyright © 1999-2024 qbania.com All Rights Reserved
更新时间：2024/12/28 0:34:22