Geometry

圆柱体, 圆柱形

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

桌子上的玻璃杯是一个高而细的圆柱体形状。

In art class, they learned to sculpt a sphere from clay.

六边形, 六角形

She decided to tile her bathroom floor with hexagon-shaped tiles.

她决定用六边形形状的瓷砖铺设浴室地板。

圆锥, 几何圆锥

The traffic cones were placed along the road to redirect vehicles during the construction work.

施工期间，交通锥筒被放置在道路沿线以引导车辆绕行。

切线, 切線

In geometry class, we learned how to draw a tangent to a circle, ensuring it only touched the circle at a single point.

在几何课上，我们学习了如何画一个圆的切线，确保它只在一点接触圆。

The diver spotted a manta ray gliding over the reef.

等腰三角形

In an isosceles triangle, the base angles opposite the equal sides are congruent.

在等腰三角形中，与等边相对的底角是全等的。

八边形, 八边形

The stop sign is shaped like an octagon.

停止标志的形状像一个八边形。

旋转, 盘旋

The leaves swirl in the wind during the autumn months.

在秋季的几个月里，树叶在风中旋转。

顶点, 顶点

In a triangle, each of its three corners is a vertex where two sides meet.

在三角形中，它的三个角中的每一个都是一个顶点，两条边在此相交。

椭圆, 椭圆曲线

多边形, 由三条或更多直线边组成的平面形状

A triangle is the simplest type of polygon with three sides.

三角形是具有三条边的最简单的多边形类型。

五边形, 五角形

The flag of the city had a pentagon in the center, symbolizing the five founders.

城市的旗帜中央有一个五边形，象征着五位创始人。

螺旋线, 螺旋形

十边形, 十角形

Architects sometimes incorporate shapes like the decagon into their designs for a unique appearance.

建筑师有时会在他们的设计中加入十边形等形状以获得独特的外观。

九边形, 九角形

七边形, 七角形

My young daughter proudly showed me the colorful heptagon she had cut out for her geometry homework assignment.

我年幼的女儿自豪地向我展示了她为几何作业剪下的彩色七边形。

椭球体

The Earth is often approximated as an oblate ellipsoid due to its slightly flattened shape at the poles.

由于地球在两极略微扁平，因此常被近似为一个扁球椭球体。

长方体, 矩形棱柱

球体, 旋转椭球体

The Earth is not quite a sphere but is better described as an oblate spheroid flattened at the poles.

地球并不完全是一个球体，但更准确地描述为在两极扁平的椭球体。

棱镜

多面体, 由平面组成的立体形状，沿其边缘贴合

The cube is a well-known example of a polyhedron, with six square faces.

立方体是一个著名的多面体例子，有六个正方形面。

三角形, 三边形

六角星形, 六芒星

斜角, 非直角

In a parallelogram, opposite angles are oblique angles since they are not right angles.

在平行四边形中，对角是斜角，因为它们不是直角。

优角, 反射角

直径, 直径

The diameter of a circle is the longest distance between any two points on its circumference, passing through the center.

圆的直径是通过圆心并且圆周上任意两点间的最长距离。

周长, 圆周

The athlete completed a lap around the track, covering the entire circumference in record time.

运动员完成了跑道的一圈，以创纪录的时间覆盖了整个周长。

半径, 半直径

The radius of a circle is half the length of its diameter, extending from the center to any point on the circumference.

圆的半径是直径长度的一半，从圆心延伸到圆周上的任意一点。