ellipse
n. 椭圆；椭圆形
近义词：oval，
英英释义
Noun
- a closed plane curve resulting from the intersection of a circular cone and a plane cutting completely through it;
"the sums of the distances from the foci to any point on an ellipse is constant"
例句
用作名词(n.)
- A circle is an ellipse with zero eccentricity.圆形是零离线率的椭圆。
- An arc is a portion of an ellipse.弧线是椭圆的一部分。
- Newton proved mathematically that the path of a planet must be an ellipse.牛顿用数学证明了行星运行的轨道必定是椭圆形的。