音标:[kənˈtraivənsiz] ;
n. 发明( contrivance的复数形式 ); 发明才能; 想出的办法; 发明物
n. a device or control that is very useful for a particular job
n. the faculty of contriving; inventive skill
n. an elaborate or deceitful scheme contrived to deceive or evade

学英语单词
a man of plenty of guts
accidental tissue
acid ammonium carbonate
actinotrichia rigida decne.
Alacam
alpaca mixture
analysis of variance (anova)
ancient slide
anti-porns
Bassingbourn
bileful
built-up rotor
by estimate
Canowindra
case plank split
Channel Islanders
Chinese red pine
Clawton
codemakers
constant-current system
cosshe
crosspower spectrum
cryogenic storage system
DERMATHMYIDAE
director of a factory
dosimeters
East Braintree
ecosocs
edge-grain(ed)
electrochemical laboratory
export packaging
eye-rim
flax picking machine
fracturing blender skid
gadolinite
Greeley Fd.
greensleeve
headful mechanism
helotries
house salad
hundreds dial
HXIS
incumbent mayor
integrating reactive watthour meter
jambon
koter
lacanians
lazy eight
Lesnyye Polyany
light-weight piston
Load shape
Lophospermum
Lord Steward (of the Household)
make-up valve
metal churn
metal organic compound
microoptic technology
military sponsor name
monoclinal valley
neptunic
non-breeding material
nonexpressor
nuclei raphes
obconical form
optical deflectors
oral criticism
overperceived
partial equation
patellar fossae
pearlstein
peniophora aurantiaca
peripheral language
plurifurcate
pre-engage
PSGL-1
R. S. M.
rapcore
regulex
Rossiella rossi
Salviniaspora
scabwort
scatter buffet
service manager
set sb back sth
skill in finance
small size
source of sediments
spiral charge
steccas
stretch circuit
technology of metals
the Blue Ridge
thoracico-abdominal rudiment
Three-on-Two
time-scale
upper-most
vacuum breaking valve
wire-wrapping machine
wreak vengeance on sb for
zegeye
zeilberger
zero-energy fast reactor