笛卡尔卵形线Cartesian ovaloval的意思、解释复数形式：ovals;n.

1. 椭圆形adj.1. 椭圆形的2. 卵形的oval的用法例句1. She has an unusually attractive oval face and green eyes set slightly on the slant.她有着一张非常迷人的瓜子脸和一对眼梢儿有点斜的绿眼睛。