音标:[.ʌn'presidentid] ; 柯林斯词典等级:2 级;
a. 空前的
[经] 空前的, 无前例的
a. having no precedent; novel

考试类型:[六级/托福/GRE]
词性分布:
形容词100%

unprecedented的用法和样例:

例句

用作形容词(adj.)
  1. We are seeing unemployment on an unprecedented scale.我们现在正经历规模空前的失业现象。
  2. His statement made an unprecedented splash.他的声明引起了空前的轰动。
  3. The air crash caused an unprecedented number of deaths.这次空难的死亡人数是空前的。
  4. Some economists showed their anxiety on unprecedented level of unemployment.一些经济学家对失业率达到前所未有的程度表示忧虑。
  5. Our school faced unprecedented difficulties.我们学校碰到了前所未有的困难。

词汇搭配

  • unprecedented rise空前涨价

经典引文

  • We are entering an age of abundance unprecedented in history.

    出自:A. E. Stevenson
【近义词】
【反义词】

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abnormal termination
acastus
alkylolamides
amhts
and/nor gate
bags cover dirty
bavarette
benbie
bilious colic
Birofeld
boletinus pictus
bouquetin
box connecter
breadcutter choke
breast-
brestel
bridge fault
Camellia parafurfuracea
Casearia balansae
chordoid tissue
coefficient of moisture absorption
comma butterflies
composition of concurrent forces
convection chamber
Costa del Crime
Cotolon
cycloreversions
Dazhui
education-baseds
Epidihydrochlolesterin
Ergotrate
false activation
festerings
five kinds of retardation
freeze dry
fuliginous
garden design
get patent for
habeshia
half-good
Hami melons
heighteners
hood fastener
hydrophilic soft corneal contact lens
ileocecostomy
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infraspecific
journal brass alloy
lehr belt
let sth ride
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Lorexane
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methoxys
microcomputer interface kit
mole vaporization heat
mud-flat community
n.o.
natural electromagnetic phenomena
nepeans
nestiostomy
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nitro dyestuff
nuclear material balance report
old person
part-winding starting
pascuous
phytocordyceps ninchukispora
piffy on a rock bun
premonochromator
proselytizes
Protoverin
pseudopeptidoglycan
Pulmobeta
radiation biochemistry
red hepatization
Rickettsiales
Samotlor, Ozero
scopometry
seismic cable winch
shrine-goers
Slivenska Planina
snaintons
spongite
steam curing of concrete
straw shredder
t'ings
transfer coefficient of element
transport park
travel rope
tricks of fortune
triple pole single throw
turbo-compound diesel
underwater-to-air guided missile
waist-deeps
wide distribution
wind edema
XFCN