音标:[bæk daun ɔf] ;
放弃,让步,退却

学英语单词
a passage to india
acute phase response
al-maktoum
Alessano
ambassing
AMSI
arteria musculophrenica
attitude survey
Bacterium typhosum
bearing white metal
Bennedsen
blocking oscillator
botanized
Bouchart
bract of each flower
business staff
change in nature of risk
chiwawa
cinnamomum camphora camphora
coaxial section
coccopigya punctoradiata
cold-prophet
compleisshe
coniferophytinas
contour maps
cyberinteraction
dammar pine
deez
dialysate
distribution of flux
drill line
facies temporalis
feverable
fixing stain
foot rot of cattle
forgenin
gauss method of substitution
geometric optimization problem
gersham
glazed tile pipe
glomerular nephron
gross start-stop distortion
ground detector switch
habitu
half-word privileged instruction
high-compression motor
hopperdozers
horse cover
initial reactivity
interferer
jcm
just what the doctor ordered
ketchup bottles
limed rosin varnish
Liverbird
long-radius system
mad-dog
mafia-style
matrix sum
megafestivals
metaphire taiwanensis
middelhoff
mixed bed ion exchanger
modulatory circuit
mrpl
natural shape
new generation of children
New Year message
non-tradable
Nyctocalos
o-nitrobenzoic acid ethyl ester
Olkusz
on line measurement
ourania
ponycarts
pre-industrial
put one's mind upon something
reverberation-suppression filter
rocking shaft bush
rooses
sequentialization of design
set sb an example
side-airbag
smallest sub-A-module
speech-recognizing machine
stability in flight
straightline type unloader
strangmen
strunger
successor address
suction and force pump
summation of contraction
Swan Reach
swim-bladders
syndetocheilic type
thermal imager
to cross the line
transgene coplacement
undoubtfully
unsamplable
Volodarskiy
waterfall lifecycle