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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acid-test ratio
ahigh
arc suppressing coil
as crooked as a dog's hind leg
asswhore
automatic stabilizer
avoiding chord
azzones
ballsbridge
Bergatreute
biocapacity
bleached paddy soil
buckling criteria
Cimanuk, Sungai
closed grating
coefficient of utilization of useful capacity
colloidal fuel
colpeurynter introducing forceps
commodity producer
conductive band
convolation
cordons sanitaires
cross sell
dessicator
dicky-seat
Dmitrovsk-Orlovskiy
dominant laterality
double squirrelcage motor
ecological system
elevator apron
epimera
erysipelas gangraenosum
eschewal
Football's a game of two halves
forfending
formula plan
froben
genus limnobiums
glucoscilliphaeoside
Hall's anchor
hip line
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instantaneous center/centre of rotation
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klepto
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log well
maritime law institute
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mincer and bowl cutter
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Montils
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permissible limit of vibration
personal contact
phospholipidomics
Photinia chingiana
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Piggott
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posumbu
prosperoes
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pyramid method of hull construction
pyrenophora japonica ito et kuribayashi
Ranella
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rhyacophila formosana
ringal
screen house
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Semple treatment
sexidentate ligand
Sheykino
silicon impregnation
Soltvadkert
spermatorrheas
subspectra
syndesm-
Thal Des.
thixotropic hardening
thorup
three-membered
twin tail
two-track recorder
vacuum-gauge
Vallen
very low frequency band radiated field system
Vila da Maganja
vision signal
Wairio
wind measuring device