galactic system

• 银道坐标系,银河系

galactic system的用法和样例：

例句

1. The solar system is one small system in the whole of the Milky Way.
   太阳系是银河系中一个小的天体系统。
2. A conflict that began long ago has built up to a battle of galactic proportions.
   很久前开始的冲突到现在已经演变成一场巨大的战役。