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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学英语单词
accelerated at growing rate
air superiority fighter
asynchronous concurrent event
Ava Gardner
avares
back order memo
baigent
banked secondary
carry a load of debt
Choanotaenia
clerodendrum calamitosum
clivia nobilis lindl.
column count
conditioning theory
contract transport
control variable of program
crab slewing mechanism
crepe embossing
did away with
double curved line
dressing gowns
dropoffs
effective humidity
electric-field
emolumentary
eosinophilic adenoma
Eriocheir sinensis
ethylethanolamine
exoccipital
eye-rubbing
flat skin
fucosterol
full wave power supply
fusible covering
geophysics of Mars
Godfrey's cordial
herba veratri nigri
horizontal maxilla fracture
intra-class correlation coefficient
jujuba
kataphalanx
keifs
kroehnkite
lemanek
Lobelia doniana
magnetic belt separator
marverer
metal corrugated plate
methopterin
minimum size
momsers
monopoly behavior experiments
mushroom head screw
narrow fire box
nice money
night-ravens
no-doc
no-fire current
nonterminal alphabet
orkney is. (orkneys)
Orobanche solmsii
palmpressing
part of speech
periguloside
peripheral chamber
Phentanyl
pokals
political spheres
polymethyl methacrylate resin
private branch exchange (pbx)
proartacris taiwanensis
protrude
quadratic reciprocity
rate of productivity
relinquishes
rice transplanter
RNA
rotor control assembly
rowlet
Salling Sd.
siderometer
spear point
St-Pierreville
stomatomenia
subsidiary documents
take delivery of the goods
talk, etc. nineteen to the dozen
telecommunication services
telocentrics
terrace ridge afforestation
threshing performance
transformer oilproof board
truncus arteriosis
Uc Son
uniplanar flow
variable longshore current
variable name
Viburnum prunifolium
vindicativeness
viprostol
wetted contour
wiandt