v. 钻孔装埋, 打埋头孔( countersink的过去式 )
v insert (a nail or screw below the surface, as into a countersink)

学英语单词
2-bromopentane
a bird of ill omen
abaiss
actual file name
adjustable weir ring
alinjection
antimeningococcic serum
antitorque of rotor
aquiculturists
arc extinguishing equipment
areometers
Asiatic storax
Bacillus typhi murium
bathyplankton
berloni
bias of unweighted estimate
brazens out
bring someone down a peg
broadcasting companies
cairn gorm
Camellia tetracocca
canal engineering
cardiographic
cargo pocket
cavity pressure monitoring
Chalmettian
charter-land
comp counselor
conventional array
Court of St James's
crime-rate
Cruzy
defaulting
diagnostic teaching
Dianeal-PD-Z
digital character
dipicolinates
dispermatous
disturbance of nutrition by albumin
drives you nuts
druggerman
edge tool
espinazo
existing customers
final video-amplifier
flexinish
gauge boson
genital marking(ovarian sinus)
goju
gupse
indicatio symptomatica
individual needs
inflagon
last down
lekkings
light physical labor
lyrebirds
mango hunter
manuscript base
medicated thread
military disease
minus electricity
mirror-image chemistry
multiple convertor
must have killed a Chinaman
non-equilibrium phase
non-participation observation
nonepistemological
oceanos
oriente
overheadconductor rail
peerdom
perched
pestis bubonicas
poney
print queue
profile grade line
purchase money obligation
railway freight car oil
ramp area
rasic
refinement step
rod centre pitch
royal chuck
short laid
sindar
Sint-Martens-Latem
sippls
street date
stroboscopic effect on distance measurement
system interconnection transformer
teleprocessing network
theory of Randal plaque
think for themselves
tie-in constraint
Tricornox
urban green coverage
vertical break switch
water-gas ratio
waterworld
whip-snakes
Zemljoslav