Regulus

例句：

1. 1. The Orion Nebula is a famous star cluster in the constellation of Orion.
   猎户座星云是猎户座中的一个著名恒星群。
2. 2. Many people believe that Orion is the guardian of the sky.
   许多人相信猎户座是天空的守护者。
3. 3. In ancient times, Orion was often used as a symbol of power and strength.
   在古代，猎户座经常被用作权力和力量的象征。