epandrium

例句：

1. 1. The epidural anesthesia technique is used to alleviate pain during childbirth.
   硬膜外麻醉技术用于减轻分娩时的疼痛。
2. 2. The surgeon performed a successful repair of the patient's epidural injury.
   外科医生成功地修复了患者的硬膜外损伤。
3. 3.During labor, the epidural can provide a comfortable and pain-free experience for both mother and baby.
   在分娩过程中，硬膜外麻醉可以为母亲和婴儿提供舒适且无痛的体验。