Oval things have a shape that is like a circle but is wider in one direction than the other.
近义词elliptical
双语例句例： the small oval framed picture of a little boy.
镶在椭圆形小相框里的一个小男孩的照片。
例： For prescription eyewear, the shapes are mainly geometric, often rectangular, as well as oval and round.
处方眼镜的形状主要为几何形，又经常为矩形、椭圆形和圆形。