metacoeloma

例句：

1. 1.The skull is a skeletal structure that houses the brain and other vital organs.
   头骨是容纳大脑和其他重要器官的骨骼结构。
2. 2. The metacoeloma is an area of the skull where the brain is housed.
   中空头骨是颅骨中容纳大脑的区域。
3. 3.The discovery of this metacoeloma has led to new insights into human evolution.
   这一发现为人类进化提供了新的见解。