古董店里有一面漂亮的椭圆形镜子。

The antique shop had a beautiful ___oval mirror.

许多模特都有椭圆形的脸型。

Many models have an ___oval face shape.

这颗宝石是绿色的、椭圆形的，且不透明。

The gem was green, ___oval, and opaque.