属国

例句：

1. 1. The ancient empire was a powerful sìguó.
   那个古代帝国是一个强大的王国。
2. 2. He has a special connection to the land of his ancestors.
   他对祖先的土地有着特殊的感情。
3. 3. The king's kingdom is vast and diverse.
   国王的王国广阔且多样。