音标:[dʌp] ;
vt. 打开;重复
v. t. To open; as, to dup the door.

学英语单词
-phonic
a son of ebony
abuse of trust
action of pile group
alcoometrical
all bunkum, all humbug
amsterdam type dwarfism
anchor ring
arc pit
atmospheric refraction index
balster
Becilan
bilge pump
branchial ganglion
brokerly
brusquerie
bump somebody off
buoyant smoke signal
charge of the electron
chlorophenindione
cholelitholysis
cold storage buffer
computer assisted collision avoidance
conical combustor
cyanuramides
cyclopic anophthalmia
database design
Disaster B.
do honor to
Duntzenheim
etching reagrnt
farley maidenhair ferns
five-and-tens
flat strainer
fluidity-temperature relationship
four-way interleaved memory
foxberries
garyn
general rights
give sb. a lead
gonococcus vaccine
gustavite
Gymnema hainanense
hanged on
high-frequency bias
Holodorm
Homeria
I am the last man to
ichnite
identifies with
Ijaws
instrumentation complex
interfacing device
interim rugulations
Inverness capes
jcas
Jerez
king post system
knock sb. off his perch
kusum
lepomis macrochiruss
lithium chloroplatinate
magnetosystem
Marles-Weller steering gear
memon
message-distribution objective
military philosophy
multistage method
natural hydrated kaolin
neva
non-judgemental
non-lead
nondirectors
nonverbal behavior
paction
pancreatolysis
parameter binding mode
performance indices
Platycodon glaucus Nak.
ponc
printer spooler
pro-angiosperm
problem orientation
promegaloblast
quasiprobabilities
revolutionary road
Rhaphidophora luchunensis
Rio Tuba
shunt
single suction centrifugal pump
sportscasting
technigluons
text height
time-shared data bus
to all
to friend
truculently
ulcus cancrosum
uninsurance
water resources engineering
windshield wiper motor
zoographist