音标:[rɪ'trækʃən] ;
n. 撤回, 撤销;收回
n. a disavowal or taking back of a previous assertion
n. the act of pulling or holding or drawing a part back

学英语单词
additive white gaussian noise(awgn)
air cylinder valve bonnet
altar girls
anabolistic
ASODN
automated factory
auxiliary convection section
azoic colour
bahala na
basic bitch
brislington
buffchick
castle rock pt.
Cephalotus follicularis
change of schedule voyage
Chem hoe
chronolects
codonanthe crassifoloa
computer control of nuclear power plant
conical flask with stopper
d'avignon
designating petition
desliming screen
diagrammatic presentaition
DOP, dop
dramalogue
easy as can
fe-fe
freedstool
furtherhead
Galapagos Fracture Zone
genus eucinostomuss
germanicone
guide vane wheel
histiophyrne bougainvilli
hit the high spots
inorganic metabolism
labrets
ledererite
liquor natrii hypochloritis
live attack
local financial cooperative
machinic
manganese(ii) salen
Middleham
model of geologic process
mottle mosaic
multi-application card
Mungerville
muscular sarcoidosis
mutamer
myoes
net reproductive value
network control
non preformed wire rope
non-propagating crack
oester
oligoacene
on the part of one
open reed
operation board
paragus (pandasyophthalmus) hokusankoensis
parallel model
paraplagusia bilineata
pattern matching system
payment for goods
plastic cable end box
plug wood
policy setting
purse-cutter
rau-seds
relivable
retinitis punctate
robustness of test
rubber packing ring
sausage stuffer
scorpionlike
sibylic
slave-driving
solid inclusions
Span-FF
spiral passes
staccatos
Stanovlyanskiy Rayon
stertor
storage control
Strepolin
take place in
taper cork
tenacity
thisne
toll telephone exchange
top slope angle
tsiens
unbirsed
unsoapy
upside-down channel
vacuum servo
vapor flow
wage-labor
weop
zona orbicularis