earth-moon system

例句：

1. 1. The Earth-Moon System is the largest planetary system in our solar system.
   地球-月球系统是太阳系中最大的行星系统。
2. 2.The Earth-Moon System has been studied for centuries due to its importance in understanding the universe.
   地球-月球系统由于其在理解宇宙中的重要性，已经研究了几个世纪了。
3. 3. The Earth-Moon System contains the Moon and the other eight planets that orbit around it.
   地球-月球系统包含月球和其他绕其运行的八个行星。