Celt

例句：

1. 1. The Celts were known for their unique culture and traditions.
   凯尔特人以其独特的文化和传统而闻名。
2. 2. The Celts played an important role in the development of Celtic mythology.
   凯尔特人在凯尔特神话的发展中扮演了重要角色。
3. 3. The Celts have left behind a rich legacy of literature and art.
   凯尔特人留下了丰富的文学和艺术遗产。