While the moons' rapid rotation would be enough to squash them into a smooth oval, it can't explain the rim around the centre of the saucer shape.

虽然卫星的快速旋转足以将它们挤压成一个光滑的椭圆形，但它无法解释碟形中心的边缘。

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Eggs have an oval shape appealing to artists.

鸡蛋呈椭圆形，这种形状对艺术家具有吸引力。

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Did you choose an oval shape?

你选择了椭圆形的吗？

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Ms. Carney likes to see nails a bit longer than the typical close trim, and with a slim oval shape.

WSJ: The Art of the Nude Manicure

Stylistically, Casio has created an attractive calculator designed with a solid body and slightly oval shape that fits comfortably in the hand, and finished it in several shades of blue to evoke an intellectual look.

ENGADGET: Casio's touchscreen graphing calculator arrives in 2013, makes the TI-84+ look dated

Granted, Klipsch has that oval shape all sorts of locked down, but once you've used an ear tip that's actually engineered to fit in one's ear (hint: ear holes aren't perfect circles), you'll have a hard time using anything else.

ENGADGET: IRL: Logitech UE 900 headphones, Nokia Lumia 900 and the Galaxy Note II