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

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

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

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

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

等腰三角形, 等边三角形
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

漩涡, 螺旋形
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

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

多边形, 多角形
(geometry) a flat polygon with ten straight sides and ten angles

十边形, 十角形
a seven-sided plane shape consisting of seven line segments or edges that meet at seven interior angles

七边形, 七角形
(geometry) a round 3D shape like a ball that is slightly flattened at the top and bottom points

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

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

周长, 圆周
IELTS学术词汇 (分数6-7) |
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