硬膜

例句：

1. 1. The patient's condition was stabilized after the operation.
   手术后，患者的病情稳定了。
2. 2. The doctor advised him to take a rest and avoid straining his neck muscles.
   医生建议他休息并避免拉伤颈部肌肉。
3. 3. The MRI scan revealed a thickened dura mater around the brain.
   磁共振成像显示大脑周围有增厚的硬膜。