中世纪性质

例句：

1. 1. The medieval period is often associated with castles and knights.
   中世纪时期常与城堡和骑士联系在一起。
2. 2. Medieval literature is rich in stories of adventure and heroism.
   中世纪文学充满了冒险和英雄主义的故事。
3. 3. The Middle Ages were a time of great cultural and artistic development.
   中世纪是文化和艺术发展的重要时期。