Earth is the only one of the inner planets with a largesatellite, the orbit of which is neither in the equatorial plane of Earth nor in the plane in which the other planets lie.
地球是内行星中唯一一个有大卫星的，它的轨道既不在地球的赤道平面上，也不在其他行星所在的平面上。
2
The International Space Station is a large, inhabited Earth satellite that more than 15 nations are building in space.
国际空间站是由超过15个国家在太空组建的一颗大型载人地球卫星。
3
Our Milky Way galaxy has two largesatellite galaxies orbiting it.