cephaliger

例句：

1. 1.The skull of the dinosaur was found in the museum.
   在博物馆里发现了恐龙的头骨。
2. 2. The scientist studied the skull to understand the evolution of the species.
   科学家研究头骨以了解物种的进化。
3. 3.The cephalogram is a medical test that measures the shape of the skull.
   头骨图是一种医学测试，测量头骨的形状。