disk galaxy

例句：

1. 1.The disk galaxy is a popular science fiction novel series.
   磁盘星系是一本受欢迎的科幻小说系列。
2. 2. The discovery of the disk galaxy has revolutionized our understanding of the universe.
   发现磁盘星系已经彻底改变了我们对宇宙的理解。
3. 3. The disk galaxy is a fascinating object in the night sky, attracting many astronomersto study it.
   磁盘星系是夜空中一个令人着迷的天体，吸引了许多天文学家来研究它。