prolate sphere

例句：

1. 1. The prolate sphere is a mathematical concept that describes an object with a spherical shape but with a larger diameter at the poles than at the equator.
   扁球体是一种数学概念，它描述了具有球状形状但极点直径大于赤道直径的对象。
2. 2. In astronomy, a prolate sphere is a celestial body that has a spherical shape but with a larger diameter atthe poles than at the equator.
   在天文学中，扁球体是一种天体，它具有球状形状，但极点直径大于赤道直径。
3. 3. The prolate sphere is used in various applications such as space exploration and planetary science to study the properties of objects with a spherical shape but with a larger diameter at the poles.
   扁球体在各种应用中被使用，如太空探索和行星科学，以研究具有球状形状但极点直径较大的物体的性质。