Gb	Eng
彗星象行星一样绕太阳运转，然而其轨道呈狭长的椭圆形。	Comets move around the sun like planets, but in long oval course.
镜子是椭圆的。	The mirror is oval.
球场很大, 呈椭圆形.	The playing-field is a large oval.