音标:['ɒktəɡənz] ;
n. <几>八边形, 八角形( octagon的复数形式 )
n. an eight-sided polygon

Octagon 八边形 What is a shape that has 5 lines and 5 angles? 哪种形状有五条边和五个角? It is a pentagon. 它就是五边形。 What is a shape that has 8 lines and angles? 哪种形状有八条边和八个角呢? It is an octagon.

发表于:2018-12-13 / 阅读(129) / 评论(0) 分类 与美国小学生一起学英文第7册
学英语单词
a hsi t'iao y?eh
abduction of foot
adjustable barrier guard
amphoteric chondrite
arcarius
AYM
bewa
buffalo hump
buphanamine
buy or sell without authorization
candy mo(u)lding
cargo tank deck area
Chesneya nubigena
circular files
collect fees arbitrarily
conidium(pl.conidia)
cross-feed
cumulative revolving credit
data station console
dealkylated
decimal literal
demix
do someone dirty
elevator digger with bagging off platform
faggoting
far more
folk-style
forktruck
funeral parlours
goods of second order
govern body
Gymnacladus Lam.
hang about sth
Herzegovinians
Heterocaryum
higher ranks
homaline
hunnewell
hypernormality
iatromechanics
ideal Venturi
imeche
induced pan
infefting
isomorphic cooperative game
ISOO
jibe
like a ass between two bundles of hay
Maarianhamina
machine output
magneto-optic recording
makee
malt-horse
mather & platt grassing machine
Methyl-Corypalline
monopolistic imperfection
multivariable feedback system
nanoporosities
narrowband digital filtering
neapolis
nonalkaloid
nonspectacular
oleandra neriiformiss
order plantaginaless
original winding
otpical resonator mode
paraglossal cartilage
paste granule
pedagogical activity
peripherin
photosynthetic product
planer knife sharpener
printing-houses
proplex
pubic ostitis syndrome
rain attenuation
Saint Michael and Saint George
sao salvador
Scatter Chart
scuff up
soil gravitational water
speculative purchase
spoken word recognition
subspan galloping
surface-charge
surgical cement
swampy soil
systematics of science
tea cream
templed
thiadiazol
thoria
tiber-
torsion dynamo meter
translational speed
trossi
unforgivingness
velocity descontinuity
wailing
water cut meter
wave
wringbolt