ellipsoidal head

例句：

1. 1. The planet Mercury is known for its ellipsoidal shape.
   水星因其椭球形而闻名。
2. 2.The scientist used a special lens to capture the ellipsoidal shape of the star.
   科学家使用一种特殊的透镜捕捉了这颗星星的椭球形状。
3. 3. The moon's surface is covered in craters that are ellipsoidal in shape.
   月球表面布满了形状为椭球形的陨石坑。