形状

triangle

名词

/traɪ.æn.gəl/ or /trai.ān.gēl/

t

t

r

r

ia

aɪæ

n

n

g

g

ə

l

l

e

(三角)

三角形

(geometry) a flat shape consisting of three straight sides and three angles

rectangle

名词

/rɛk.tæn.gəl/ or /rek.tān.gēl/

r

r

e

ɛ

c

k

t

t

a

æ

n

n

g

g

ə

l

l

e

(长方形)

矩形

(geometry) a flat shape with four right angles, especially one with opposing sides that are equal and parallel to each other

oval

名词

/oʊ.vəl/ or /ooo.vēl/

o

oʊ

v

v

a

ə

l

l

(卵形)

椭圆

a shape that is wide in the middle and narrow at both ends

diamond

名词

/daɪ.mənd/ or /dai.mēnd/

d

d

ia

aɪ

m

m

o

ə

n

n

d

d

(钻石)

菱形

a shape with four equal, sloping straight sides, forming a point at the top and another at the bottom

star

名词

/stɑr/ or /staar/

s

s

t

t

a

ɑ

r

r

(星星)

星形

a shape with five or more points, representing a star in the sky

sphere

名词

/sfɪr/ or /sfir/

s

s

ph

f

e

ɪ

r

r

e

(圆球)

球体

(geometry) a round object that every point on its surface has the same distance from its center

cube

名词

/kjub/ or /kyoob/

c

k

u

ju

b

b

e

(方块)

立方体

a figure, either hollow or solid, with six equal square sides

cylinder

名词

/sɪ.lən.dɜr/ or /si.lēn.dēr/

c

s

y

ɪ

l

l

i

ə

n

n

d

d

e

ɜ

r

r

(柱体)

圆柱

(geometry) a solid or hollow shape with two circular bases at each end and straight parallel sides

cone

名词

/koʊn/ or /kooon/

c

k

o

oʊ

n

n

e

(锥体)

圆锥

(geometry) a three dimensional shape with a circular base that rises to a single point

pyramid

名词

/pɪ.rə.mɪd/ or /pi.rē.mid/

p

p

y

ɪ

r

r

a

ə

m

m

i

ɪ

d

d

(四面体)

金字塔

a solid object with a square base and four triangular sides joined to a point on the top

cuboid

名词

/kju:.bɔɪd/ or /kyoo.bawid/

c

k

u

ju:

b

b

oi

ɔɪ

d

d

(立方体)

长方体

a three-dimensional geometric shape with six rectangular faces, resembling a box or a rectangular prism

hemisphere

名词

/hɛ.mɪs.fɪr/ or /he.mis.fir/

h

h

e

ɛ

m

m

i

ɪ

s

s

ph

f

e

ɪ

r

r

e

(半球体)

半球

either half of a sphere

prism

名词

/prɪ.zəm/ or /pri.zēm/

p

p

r

r

i

ɪ

s

z

ə

m

m

(棱锥)

棱柱

(geometry) a solid figure with flat sides and two parallel ends of the same size and shape

parallelogram

名词

/pæ.rə.lɛ.ləg.ræm/ or /pā.rē.le.lēg.rām/

p

p

a

æ

r

r

a

ə

ll

l

e

ɛ

l

l

o

ə

g

g

r

r

a

æ

m

m

(平行四边形状)

平行四边形

(geometry) any flat shape with four straight sides, the opposite sides of which are equal and parallel to each other

trapezoid

名词

/træ.pɪ.zɔɪd/ or /trā.pi.zawid/

t

t

r

r

a

æ

p

p

e

ɪ

z

z

oi

ɔɪ

d

d

(平行四边形)

梯形

(geometry) a flat shape with four flat sides, two of which are parallel

DialectAmerican

trapeziumBritish

crescent

名词

/krɛs.ənt/ or /kres.ēnt/

c

k

r

r

e

ɛ

s

s

c

e

ə

n

n

t

t

(弯月)

新月

a curved shape with narrow points at the ends that appears wider in the middle, like the shape of the moon in its first and last quarters

cross

名词

/krɑ:s/ or /kraas/

c

k

r

r

o

ɑ:

ss

s

(十字)

交叉

a mark or an object formed by two short lines or pieces crossing each other

spiral

名词

/spaɪ.rəl/ or /spai.rēl/

s

s

p

p

i

aɪ

r

r

a

ə

l

l

(螺旋形状)

螺旋

(geometry) a curved shape or design that gradually winds around a center or axis

kite

名词

/kaɪt/ or /kait/

k

k

i

aɪ

t

t

e

(菱形)

风筝

a four-sided shape with two pairs of equal-length adjacent sides

right triangle

名词

/ɹˈaɪt tɹˈaɪæŋɡəl/

(右三角形)

直角三角形

a flat geometric shape consisting of three straight sides and one right angle

DialectAmerican

right-angled triangleBritish

lozenge

名词

/lɔ.zənʤ/ or /law.zēnj/

l

l

o

ɔ

z

z

e

ə

n

n

g

ʤ

e

(方形)

菱形

(geometry) a figure with four sides and two opposite angles more than 90° and two of less than 90°

spheroid

名词

/sfɪ.rɔɪd/ or /sfi.rawid/

s

s

ph

f

e

ɪ

r

r

oi

ɔɪ

d

d

(椭球体)

扁球体

(geometry) a round 3D shape like a ball that is slightly flattened at the top and bottom points

semicircle

名词

/sɛ.mi.sɜrk.lə/ or /se.mi.sērk.lē/

s

s

e

ɛ

m

m

i

i

c

s

i

ɜ:

r

r

c

k

ə

l

l

e

(半圆形)

半圆

any half of a circle

pentagon

名词

/pɛn.ɪ.gɑn/ or /pen.i.gaan/

p

p

e

ɛ

n

n

t

a

ɪ

g

g

o

ɑ

n

n

(五角形)

五边形

a geometric shape with five angles and five straight sides

hexagon

名词

/hɛk.sə.gɑn/ or /hek.sē.gaan/

h

h

e

ɛ

x

ks

a

ə

g

g

o

ɑ

n

n

(六角形)

六边形

(geometry) a closed shape with six straight sides and six angles

heptagon

名词

/hɛp.tə.gɑ:n/ or /hep.tē.gaan/

h

h

e

ɛ

p

p

t

t

a

ə

g

g

o

ɑ:

n

n

(七角形)

七边形

a seven-sided plane shape consisting of seven line segments or edges that meet at seven interior angles

octagon

名词

/ɑk.tə.gɑn/ or /aak.tē.gaan/

o

ɑ

c

k

t

t

a

ə

g

g

o

ɑ

n

n

(八角形)

八边形

(geometry) a polygon consisting of eight straight sides and eight angles

nonagon

名词

/nɑ:.næ.gɑ:n/ or /naa.nā.gaan/

n

n

o

ɑ:

n

n

a

æ

g

g

o

ɑ:

n

n

(九角形)

九边形

(geometry) a flat shape consisting of nine straight sides and nine angles

decagon

名词

/di.kæ.gɑ:n/ or /di.kā.gaan/

d

d

e

i

c

k

a

æ

g

g

o

ɑ:

n

n

(十角形)

十边形

(geometry) a flat polygon with ten straight sides and ten angles

pentagram

名词

/pɛn.tag.ræm/ or /pen.tag.rām/

p

p

e

ɛ

n

n

t

t

a

a

g

g

r

r

a

æ

m

m

(五芒星)

五角星

a five-pointed star

hexagram

名词

/hɛk.sag.ræm/ or /hek.sag.rām/

h

h

e

ɛ

x

ks

a

a

g

g

r

r

a

æ

m

m

(六芒星)

六角星

(geometry) a flat star-shaped figure with six points that can be formed by making equilateral triangles on each side of a regular hexagon

zigzag

名词

/zɪg.zæg/ or /zig.zāg/

z

z

i

ɪ

g

g

z

z

a

æ

g

g

(锯齿形)

之字形

(geometry) a shape that consists of a line alternating its direction to left and right

hendecagon

名词

/hɛn.dɪ.kə.gɑ:n/ or /hen.di.kē.gaan/

h

h

e

ɛ

n

n

d

d

e

ɪ

c

k

a

ə

g

g

o

ɑ:

n

n

(十一角形)

十一边形

(geometry) a flat figure consisting of eleven straight sides and eleven angles

dodecagon

名词

/doʊ.dɛ.kə.gɑ:n/ or /dooo.de.kē.gaan/

d

d

o

oʊ

d

d

e

ɛ

c

k

a

ə

g

g

o

ɑ:

n

n

(十二角形)

十二边形

(geometry) a flat figure that consists of twelve sides and twelve angles

tridecagon

名词

/traɪ.di.kæ.gɑ:n/ or /trai.di.kā.gaan/

t

t

r

r

i

aɪ

d

d

e

ɪ

c

k

a

ə

g

g

o

ɑ:

n

n

(十三角形)

十三边形

a polygon with thirteen sides and thirteen angles

oblong

名词

/ɑb.lɔng/ or /aab.lawng/

o

ɑ

b

b

l

l

o

ɔ

n

n

g

g

(round-edged rectangle)

长方形,椭圆形

a rectangular figure that has unequal adjacent sides with arched angles

torus

名词

/to:.rəs/ or /to.rēs/

t

t

o

o:

r

r

u

ə

s

s

(斗篷面)

环面

a solid shape resembling a donut or ring, made by spinning a circle around a line that does not cut through the circle

curve

名词

/kɜrv/ or /kērv/

c

k

u

ɜ

r

r

v

v

e

(弯曲)

曲线

a line or shape that is not straight and bends gradually

parallel

名词

/pɛ.rə.lɛl/ or /pe.rē.lel/

p

p

a

ɛ

r

r

a

ə

ll

l

e

ɛ

l

l

(平行面)

平行线

a pair of geometric figures, such as lines or planes, that do not meet or intersect, no matter how far they are extended

ellipse

名词

/ɪ.lɪps/ or /i.lips/

e

ɪ

ll

l

i

ɪ

p

p

s

s

e

(椭圆形)

椭圆

(geometry) a closed plane curve that has two focal points