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
akembe
alkaline mine drainage
alloplyploidion (camp & gilly 1943)
amphinucleoli
beaumontag(u)e
blue bird
bolter-up
buck privates
call into play
Cho-do
coefficientwise
comorin, cape
cradles
cylco-hexanol
debarcation
deposit feeding
detail pen
dial mercury sensing thermometer
diesel tank
distribution ratio of sonde
divided difference operation
Donmyo
Draba multiceps
dry-and-wet-bulb hygrometer
ETD estimated time of departure
excess carrier
far-seeing plan
frequency reproduction
gymnospore
half-bushel
haouari
hardened oxide pellet
heezes
historical and comparative method
Holbæk Amt
house arrest
Hubbard, Elbert Green
hydroxylase
infinity symbols
iolani
Jingzhou
junior securities
Khar'yakha
Khābūr, Nahr, al(Habur)
killineys
kudu lilies
language competence
leave cold
lift on lift off shipment
liquorice kumquat
Little Italy
lubricant dope
luster meter
marakina
matured bonds unredeemed
metallurgical equipment industry
Milurit
mixed-type inhibitor
money cowry,money cowrie
nikonov
oil immpregnated cable
pack mustard
palpi
phosphate deficiency
pork carcass
pour down the throat
protest fornonacceptance
Providenskiy Rayon
rancors
reactive drop
representation of ground
retinaculum peronaeorum superius
rperez
saponaceous
sarcodon martioflavus
scarped plain
Schönau am Königsee
semiconductor storage
single wire remote control
smithy
somerhalder
spendiferously
standard torquer
steam line smothering
tahpooy
thinning intensity
tribunal of accounts
triple bills
true noon
tube-type explosive press
Târgului
underguess
unit pool
vaginal diaphragm
weaver's hitch,weaver's knot
white-tailed lapwings
whitesands
wire mesh plotting device
wish i knew
WWW Network
yawper
zubero