oblate ellipsoid

例句：

1. 1. The shape of the planet is an oblate spheroid.
   行星的形状是一个扁球体。
2. 2. The oblate spheroid has a unique feature that makes it stand out from other objects.
   这个扁球体有一个独特的特征，使它与其他物体不同。
3. 3. Oblate spheroidal shapes are commonly found in nature, such as the Earth's core.
   扁球体形状在自然界中很常见，例如地球的核心。