It's the first mission that's going to try to land near the North Pole of Mars, and it's the first mission that's actually going to try and reach out and touch water on the surface of another planet.
是首个要着陆火星北极附近的任务，也是首次 是首个要着陆火星北极附近的任务，也是首次 将要在另一个星球上接触到水。 将要在另一个星球上接触到水。