“几何”的雅思学术词汇

cylinder

名词

c

s

y

ɪ

l

i

ə

n

d

e

ɜ

r

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(柱体)

圆柱

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

示例

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The glass on the table was in the shape of a tall, slender cylinder.

The industrial containers were large cylinders, perfect for storing liquids.

sphere

名词

s

ph

f

e

ɪ

r

e

(圆球)

球体

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

hexagon

名词

h

e

ɛ

x

ks

a

ə

g

o

ɑ

n

(六角形)

六边形

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

cone

名词

c

k

o

oʊ

n

e

(锥体)

圆锥

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

tangent

名词

t

a

æ

n

g

ʤ

e

ə

n

t

(正切)

切线

(mathematics) the ratio of the opposite to the adjacent side of a triangle that has one angle of 90°

isosceles triangle

名词

/aɪsˈɑːsəlˌiːz tɹˈaɪæŋɡəl/

(等边三角形)

等腰三角形

a type of triangle that has two sides of equal length and two angles of equal measure

语法信息:

复合名词

octagon

名词

o

ɑ

c

k

t

a

ə

g

o

ɑ

n

(八角形)

八边形

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

swirl

名词

s

w

i

ɜ

r

l

(螺旋形)

漩涡

in geometry, a pattern or shape that exhibits a twisting or spiraling motion, often characterized by continuous, curved lines forming a rotational or helical design

vertex

名词

v

e

ɜ

r

t

e

ɛ

x

ks

(角点)

顶点

a point where two or more lines, edges, or rays meet to form an angle, or the point at which the sides of a polygon intersect

polygon

名词

p

o

ɑ

l

y

ɪ

g

o

ɑ

n

(多角形)

多边形

(geometry) a flat shape consisting of three or more straight sides

pentagon

名词

p

e

ɛ

n

t

a

ɪ

g

o

ɑ

n

(五角形)

五边形

a geometric shape with five angles and five straight sides

decagon

名词

d

e

i

c

k

a

æ

g

o

ɑ:

n

(十角形)

十边形

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

heptagon

名词

h

e

ɛ

p

t

a

ə

g

o

ɑ:

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

ellipsoid

名词

e

ɪ

ll

l

i

ɪ

p

s

oi

ɔɪ

d

(椭圆体)

椭球体

a three-dimensional shape similar to a stretched or compressed sphere

spheroid

名词

s

ph

f

e

ɪ

r

oi

ɔɪ

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

polyhedron

名词

p

o

ɑ

l

y

i

h

e

i

d

r

o

ə

n

(多面形)

多面体

a solid shape made of flat sides that fit together along their edges

oblique angle

名词

/əblˈiːk ˈæŋɡəl/

(钝角)

斜角

an angle that measures either less or more that 90 degrees

right angle

语法信息:

复合名词

diameter

名词

d

ia

aɪæ

m

e

ə

t

e

ɜ

r

(直线直径)

直径

a straight line from one side of a round object, particularly a circle, passing through the center and joining the other side

circumference

名词

c

s

i

ɜ

r

c

k

u

ə

m

f

e

r

e

ə

n

c

s

e

(圆周)

周长

(geometry) the length of the external boundary of a curved shape, especially a circle

radius

名词

r

a

eɪ

d

iu

iə

s

(半径长度)

半径

the length of a straight line drawn from the center of a circle to any point on its outer boundary

祝贺！ !

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