音标:[ʌn'pɪnd] ;
v. 拔去别针, 拔掉闩( unpin的过去式和过去分词 )
v remove the pins from; unfasten the pins of

学英语单词
ability-achievement
achaea (achaia)
acholic stools
afterpain
alkyd
altapizone
arcus venosi digitales
arcwise connected set
Arturo Toscanini
assal horizontology
augur well for
babins
banda islands
basic resin
bethea
bioelectronic
blastomycetic esophagitis
Calamintha grandiflora
calcium aluminium silicon alloys
catorama
Chabestan
colour fluctuation
container securing
cooled photocell
correction of aberration
cross effect
cumulative production curve
cystic degeneration of lungs
Dendrobium capillipes
duale tantum
eclampsy
electric function generator
electrically operated controller
electroplating dynamo
electroslag refining
elfin face syndrome
extra-embryonic splanchnopleure
face paint
fincture
flight-readiness firing
froglets
genus Pollachius
goldhawks
Granitovo
green bulrush
Habenaria petelotii
hocke
hypersonic similarity parameter
immunoflourescence microscopy
instant foodstuff
Issala
landing chassis
Ligusticum sinense
limnetic zone
line isolation relay
manchun
Mo Mowlam
modulation of wave group
multilateralist
multiple unit socket
mycosic
navigation in rocky waters
nine thousand nine hundred and ninety-nine
noise limiting circuit
non-based varable attribute
nonradiative
one-way radiation
population sampled
Poyang Hu
process average quality
r.f
radius bar brace
ringster
rosmarinine
Sao Jorge do Limpopo
second filter
shaped orifice
single crystal gamma spectrometer
spare set
successor in title
sufflamen fraenatus
Sulfadimethoxinum
take the helm
tenaunte
the heebie-jeebies
thin flat head rivet
time minus zero
tipteerers
to take air
total white count
treasury department
ttps
Twitter client
underbanked
valve actuating gear
Vasil'yeva, Zaliv
voltage winding
walky
watchful
well cleanout
Wildervanck
woolly butterflybush