音标:[prəˈtræktəz] ;
n. 量角器, 分度规( protractor的复数形式 )
n. drafting instrument used to draw or measure angles

学英语单词
'Sugar' Ray Robinson
administrative registration
Aechminidae
apple-oil
back spacing time
balance of capital movements
be a steal
beer-soaked
brakemakers
bread-paste
BUF (buffer)
cat walk bridge
centrifugal-clutch
checkerboard protection
children's personality inventory
community facility planning
contrast transmission in water
Corston
cultural monopoly
cystic tumor
Darnius
dibutylphosphate(DBP)
dispersoid
Djinguines
do the inside edge
dryopteris goldianas
eavan
egotize
Ehrenburg, Ilya Grigorievich
ehrlich ascites cell
ersbyite (meiomite)
exoplasm
explosive pressing
fattie
ferrao
FORTRAN subset
Fouquieria splendens
free access laboratories
free semi-group
fucking off
genus alepisauruss
genus Atropa
genus darlingtonias
glyrerinated potato culture-medium
haloalkynes
hand brake cam shoe
hand cleaning
hartree-fock
hemerobiid flies
hoaxee
hypoperfused
industry analysts
inquisitionist
insight problem
interation
irish-americans
JHWH
keep a sharp lookout
ketogenic substance
lacunae laterales
lambda baryon
lasted
lift the curtain on sth
little-head snakeweed
Malaya Lipovka
Michel Ney
Mirapexin
nevegal
no test loop
Nyakakiri
operating steady-state stability
paid-out
palaeodendrology
permanent supply
poetese
primary request
pronoun conjunction
pulp liquor
purified-gas compressor
quaffle
quick die change system
rate integrating gyroscope
reinfm type
rheumatic osteoperiostitis
riding mower
saddlejack
satirists
scheidegger
single-commutation direct-current signalling
society purchasing power
sssnsosws-s
staggered triple
thermal breaker
thermal margin
thiocyano dyestuffs
throw into the scale
unrecovered oil
vector computation
weighed down
wet-line correction
wind warning
yellow-crowned night heron