北斗七星

例句：

1. 1. The constellation of the Big Dipper is known as the "Seven Swords" in Chinese.
   大犬座的星座被称为中国的“七剑”。
2. 2. The ancient Chinese used to refer to the Big Dipper as a symbol of good fortune.
   古代中国人曾将大犬座视为好运的象征。
3. 3. In traditional Chinese culture, the Big Dipper is often associated with wisdom and longevity.
   在传统的中国文化中，大犬座常与智慧和长寿联系在一起。