lentiglobus

例句：

1. 1. The ellipsoidal shape of the planet is due to its rotation.
   行星的椭圆形状是由于其自转造成的。
2. 2.The sphere was used as a ball for children's play.
   这个球被用作儿童玩耍的球。
3. 3.The ellipsoid model is commonly used in astronomy to describe the shape of celestial bodies.
   椭球模型在天文学中常用于描述天体的形态。