托福高级词汇 - 形状

(geometry) a lack of symmetry or equivalence in shape or size between the two sides or parts of something

不对称

not having identical parts facing each other or around an axis

不对称的

having identical parts facing each other or around an axis

对称的

connected with the branch of mathematics that deals with the relationships between lines, angles and surfaces

几何的

either half of a sphere

半球

(of a straight line) joining opposite corners of a flat shape at an angle

对角的, 对角线的

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

新月, 月牙

a curved shape, or something shaped this way

弧, 曲线

(geometry) an arbitrary straight line that passes through the center of a symmetrical object or around which an object spins

轴

the total length of the external boundary of something

周长

any half of a circle

半圆

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

圆柱

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

棱镜

shaped like a triangle, with three sides and three angles

三角形的

having a shape that winds around a central point or axis

螺旋的

describing circles, arcs, or rings that have the same center

同心的

a rectangular figure that has unequal adjacent sides with arched angles

长方形,椭圆形长方体, round-edged rectangle

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

一个椭圆, 椭圆形

a geometric shape with five angles and five straight sides

五边形

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

之字形, 之字形（几何学）

having a surface that is curved inward

凹的

having a surface that is curved outward

凸的

(geometry) a line curved on a conical or cylindrical surface, like a spiral staircase in shape

螺旋, 螺旋线

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

六边形

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

多边形

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

八边形

(geometry) a flat shape with four equal sides in which opposite angles are equal

菱形, 平行四边形

(geometry) a parallelogram with four straight sides and no right angles

菱形

resembling a cone in shape

锥形的, 像锥体的

resembling a cube in shape

立方体的, 立方的

something that resembles a spiral or coil

卷曲, 螺旋

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

菱形, 菱角