elliptic segment trajectory

例句：

1. 1. The trajectory ofthe spacecraft is highly elliptical.
   宇宙飞船的轨迹是高度椭圆的。
2. 2.The elliptical trajectory of the planets is fascinating to observe.
   行星的椭圆轨迹令人着迷，值得观察。
3. 3. Theelliptical trajectory of the satellite wascarefully planned to minimize its impact on theEarth.
   卫星的椭圆轨迹经过精心规划，以最小化其对地球的影响。