(方块)
立方体
a figure, either hollow or solid, with six equal square sides
(卵形)
椭圆
a shape that is wide in the middle and narrow at both ends
(钻石)
菱形
a shape with four equal, sloping straight sides, forming a point at the top and another at the bottom
(角)
角度
the space between two lines or surfaces that are joined, measured in degrees or radians
(队列)
行列
a row of people or things behind each other or next to each other
(位置)
点
(geometry) an element that only has position, with no size or dimension
(四面体)
金字塔
a solid object with a square base and four triangular sides joined to a point on the top
(圆形)
圆
a completely round, plain shape
(方形)
正方形
a shape with four equal straight sides and four right angles, each measuring 90°
(弓形)
拱门
anything with a curved top and parallel sides
(半圆形)
半圆
any half of a circle
(螺旋形状)
螺旋
(geometry) a curved shape or design that gradually winds around a center or axis
(弯曲)
曲线
a line or shape that is not straight and bends gradually
(半个球体)
半球
one of the two halves of the Earth, separated by the equator or a meridian
(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
(三角)
三角形
(geometry) a flat shape consisting of three straight sides and three angles
(钝角度)
钝角
an angle that measures more than 90 degrees but less than 180 degrees
(90度角)
直角
an angle measuring exactly 90 degrees
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