rheadine

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。
2. 2.The scientist studied the structure of the human skull.
   这位科学家研究了人类头骨的结构。
3. 3.The skull is an important part of the body for supporting the brain.
   头骨是支撑大脑的重要部分。