elliptical space

例句：

1. 1.The path is elliptical, so it's easy to walk around without getting lost.
   这条路径是椭圆的，所以走起来不会迷路。
2. 2. The moon is an elliptical object in the sky.
   月亮是天空中的椭圆物体。
3. 3. The planet Mercury is elliptical, which means it has a curved shape.
   水星是椭圆形的，这意味着它有一个弯曲的形状。