na. 封;密封;确定;同“seal”
[网络] 查封;防漏;止水

学英语单词
17-ethyl-3-cis-17-androstandiol
acorn cups
adrean
alternating current, ac
anti-impotence drugs
apparent activation energy
arrival-time
back-titration
bark-
bauman
be a sheet in the wind's eye
betting on
blendor
branimirs
capacitance branch
chain shotblasting machine
chloro-formiate
chrome recovery
clasticity index
climacterids
clofarabine
converter body
cutaneous concretion
cypraea artuffeli
cystic hydroma
decoyinine
design and drawing office
die orifice
dimensional change in wood
direct axis air-gap performance
disappropriated
distance and speed repeater
eight-inch-tall
encephaloscope
expanding square search pattern
Fedorivka
flat market
fractioning
free-air thermometer
fuel oil supply
harddisk
holdin'
hydrospheric geophysics
in-churn
incision of abdomen
indicated meter
junction crossover
kalanda
La Plata, Viceroyalty of
laminographic
laser boring
LESR
lever return indication
Lynch-like
magnetic-coupled absorption trap
mobile hydrogen
monetary characteristics of SDR
motion platform
Mounyaz
node partition
North Seaton
occlusal balancing
ocean-view
of wrist bone
otrwin
pelabuan
pemphigus haemorrhagica
pompion
primary control circuit
provender
quadrata
radiation sickness
rate of estate duty
rathfriland (rath fraoileann)
re-overflow
rete ridges
rhenite (pseudomalachite)
Rodey's syndrome
rolling car gauge
scamming
Seller financing
set much by
sharedwhiteboard
siphonal retractor muscle
skin bridge in delaying skin flap
sound filter
sparkman
statocone
sterling blocs
Streptococcus pyogenes longus
subtrioecy
sweet band
synchromysticism
syzygetic triangle
Taraxacum mitalii
third motion shaft
transistor base clamper circuit
unprecedented sale
v-rod
water tube condenser
wingbar
wool slacks