cephalic disk

例句：

1. 1.The doctor removed the cephalic disk to perform a brain scan.
   医生移除了头盖骨盘以进行脑部扫描。
2. 2. The patient's head was tilted back, exposing the cephalic disk.
   病人的头部向后倾斜，露出了头盖骨盘。
3. 3. The cephalic disk is an important part of the skull that protects the brain.
   头盖骨盘是颅骨的重要部分，保护大脑。