ellipse

i'lips

n. a closed plane curve resulting from the intersection of a circular cone and a plane cutting completely through it

n. 椭圆, 椭圆形
[计] 椭圆

26,189

BNC 频率

21,016

使用频率

ellipse 由希腊语 elleipsis 演变而来，其中 elleip- 意为“缺失”或“省略”。可以联想到椭圆形是一种“缺失”或“压缩”的形状，和圆形相比少了一些对称性。

例句

1. An ellipse is a shape that looks like a stretched circle.

椭圆是一种看起来像拉长的圆的形状。

2. The path of the planets around the sun is an ellipse.

行星绕太阳的轨道是一个椭圆。

3. You can draw an ellipse using two fixed points and a string.

你可以用两个固定点和一根绳子来画一个椭圆。