the moon's elliptical orbit.

月亮的椭圆形轨道。

The stadium is elliptical in plan.

该体育馆在设计图上呈椭圆形。

Spirals can seem to be elliptical in shape when viewed edge-on.

侧面观看时，螺旋有时似乎呈椭圆形。

elliptical references to problems best not aired in public.

对于不便在公众场合谈及的问题的旁敲侧击。