SS Cygni stars

例句：

1. 1. The night sky was filled with the twinkling lights of SS Cygni stars.
   夜空中星星闪烁，其中就有天狼星。
2. 2.The starry sky above us is a reminder of the beauty of nature.
   我们头顶上的星空提醒着我们对大自然之美的欣赏。
3. 3.In ancient times, SS Cygni stars were believed to be guardians of the night sky.
   在古代，人们相信天狼星是夜空的守护者。