elliptical point

例句：

1. 1. The shape of the planet is elliptical.
   这个星球的形状是椭圆的。
2. 2. The sun's rays are elliptical in their distribution.
   太阳的光线分布是椭圆的。
3. 3. The elliptical orbit of the moon is well-known.
   月亮的椭圆形轨道是众所周知的。