Kelthane

例句：

1. 1. The ancient Celtic manuscripts are still preserved in the library.
   古老的凯尔特手稿仍然保存在图书馆里。
2. 2.The Welsh language is one of the oldest and most widely spoken languages in Europe.
   威尔士语是欧洲最古老、最广泛使用的语言之一。
3. 3. The Celtic people have a rich cultural heritage that has been passed down through generations.
   凯尔特民族拥有丰富的文化遗产，这些遗产代代相传。