noun🔗Share椭圆 A closed curve, the locus of a point such that the sum of the distances from that point to two other fixed points (called the foci of the ellipse) is constant; equivalently, the conic section that is the intersection of a cone with a plane that does not intersect the base of the cone."The Earth's orbit around the Sun is not a perfect circle, but an ellipse. "地球绕太阳运行的轨道不是完美的圆形，而是一个椭圆。mathspaceChat with AIVocabulary GamePractice Reading
verb🔗Share省略 (grammar) To remove from a phrase a word which is grammatically needed, but which is clearly understood without having to be stated.""He likes apples, and she, bananas," ellipses the verb "likes" in the second clause. "“他喜欢苹果，而她，香蕉”这句话的后半句省略了动词“喜欢”，虽然语法上需要，但意思很明显，可以省略.grammarlanguagelinguisticsChat with AIVocabulary GamePractice Reading
