颅

例句：

1. 1. The skull of the dinosaur is a fascinating fossil.
   恐龙的头骨是一个令人着迷的化石。
2. 2. The skull of the ancient human was found in the cave.
   古代人类的头骨在洞穴里被发现。
3. 3. The skull was carefully preserved for years.
   头骨被小心地保存了多年。