cranio-

例句：

1. 1.The skull of the dinosaur was discovered in a cave.
   恐龙的头骨在洞穴里被发现了。
2. 2. The skull is made up of several different parts.
   头骨由几个不同的部分组成。
3. 3. Skulls are often used to study human evolution.
   头骨经常被用来研究人类进化。