音标:[ik'stempәrәl] ;
a. 无准备的, 脱口说的
a. Extemporaneous; unpremeditated.

学英语单词
ABAV
abdulla
age pattern
aldairs
amperemeters
atomizing machine
avalanche of loose snow
bacteriologically
band-limited function
base-level peneplain
bias-corrected
bipartition angle
boilermen
british thermal unit (btu)
building trust
certificate of purity
chordurethritis
cobitidaes
cocktail bar
color-television signal
commissura labiorum posterior
common mode failure
computeraided process planning
crowngear
d.t.l.
dance of bee
deficiency report
dense-air refrigeration cycle
dermomuscular sac
dryer/separator canal
dysbarisms
economopoulos
electric logging meter
electronic countermeasures receiver
end-of-file condition
eumelanin
expedite shipment
first-place finish
form resistance
fukuis
full mould process
general inspection level
Gravedona
half element
hardness design
health maintenance organizations
Health Service Commissioners
heterodimerize
hexosyltransferase
horizontal low-pass filtering action
hot mill
hotwife
How goes it?
i-spited
inspected approval
Jacqueminot
jailbreak
johann ecks
julavits
kneecapped
Koskol'
lift-drag polar
lining mass
LMMFAO
Lords Commissioners of the Great Seal
magnitude of stresses
mandibular equilibration
mechanics of turbulence
negative dislocation
nitrosative
noncasual filter
nonterrorist
overbarish
Paraduttonite
peg count register
perspective anomaly
pheretima asiatica
plane tree
Pls.
pork check
postcleitheliam
power failure indicator
prems
priggeries
recalcs
ring of numbers
Sharleen
shine on you
split skirt piston
split-second column wheel jumper
St Lucy Parish
Stromeyer-Little operation
succussion sounds
Suez Canal lantern
sympathicovagal
take a lot out of
thaumatoptyx euptyx
tradevman
unsavour
user friendly system
Vamp It
white-hot