a. down的变形
s like down or as soft as down

【近义词】
学英语单词
a week ago today
abnormal pcs operation
absheron
Abwehr
adiabat
akiskal
assumed working plane
bender and cutter
Bouvet
Bridgets
business and management
cabin aeroplane
calculating apparatus
caledonian movement
cardiac glands
cash management service
chonseoblast
cobalt linoleate
code 128
combination probe
control system theory
coop in
corn fritters
crampit
cutoff high
devidayal
dimension of complex
Dinopterygoidei
drawback mould
drum type pickup
electromagnetic ignition
eyelet wire
failure mode analysis
finger alphabet
flat reaming head
focos
four-velocity
galne
genus Ephedra
glassfiber reinforced plastics
grid-resistor limiting
Hesselman engine
high blood pressures
high frequency thin film thickness meter
Hoceima, Is.
hydrocarbon bases
I bet!
in one's mind
inspection station
interstage valve
Iphigenia
irreducible submodule
jerky incoordination
judicial reviews
Koumongou
level priority interrupt
ligon
locally optimal detector
logico-semantic analysis
manual stopping device
matrixes of drilled holes
mean surface of congruence
Mesogonimus
mildclay
mixed ash and slag handling system
mixing of concrete
multicentric reticulohistiocytosis
ooh
over-abstractions
paleohydrology
paraskevidekatriaphobia
pedal spindle
postclavicles
posttonic
precision machine surface
prism turntable
PSO2
radially expanding clutch
radio-frequency capacitor
reverse modulus of continuity
ricky
rush to a conclusion
salado cr.
sangxing decoction
sembenes
sinder
stabilized grade
stalactite vault
substar
syngenetic deposits
system variable
terrestrial meridian
tetraphenylboron
took a dim view of
torque tube propeller shaft
torsional meter
trimable fat
varsoviana
vegetal cell
vendor analysis
verbitsky
xueyan