ellipse
n 椭圆（el 出+lips+e→[圆的边]离开圆心→椭圆）
释义2：
ellipse
/ I5lIps /
◙ noun1. a regular oval shape, traced by a point moving in a plane so that the sum of its distances from two other points (the foci) is constant, or resulting when a cone is cut by an oblique plane which does not intersect the base• 椭圆【语源】
1. late 17th cent.: via French from Latin ellipsis (see ellipsis )
俄语/英语字母转换