| 释义 |
ellipse/iˈlips/n. a regular oval, traced by a point moving in a plane so that the sum of its distances from two other points is constant, or resulting when a cone is cut by an oblique plane which does not intersect the base (cf. 参见 HYPERBOLA) 椭圆 [French via Latin ellipsus from Greek elleipsis, from elleipō ‘come short’ from en ‘in’ + leipō ‘leave’] |