cranioclast

例句：

1. 1. The skull was badly damaged in the accident and needed to be removed for medical treatment.
   在事故中，头骨严重受损，需要被移除以便接受治疗。
2. 2.The surgeon carefully removed the cranioclast from the patient's brain cavity.
   外科医生小心翼翼地从患者的大脑腔中取出了颅骨碎片。
3. 3.Cranioclasts are often found in archaeological excavations, where they can provide important clues about ancient human life.
   颅骨碎片通常在考古挖掘中发现，它们可以提供有关古代人类生活的宝贵线索。