sacral anesthesia

例句：

1. 1. The patient was given a sacral anesthesia to relieve his pain.
   病人接受了骶部麻醉以缓解他的疼痛。
2. 2. During the surgery, the surgeon performed a sacral anesthesia to ensure the patient's comfort.
   在手术期间，外科医生进行了骶部麻醉以确保患者的舒适。
3. 3. The patient experienced significant relief from the sacral anesthesia, whichhelped him relax during the procedure.
   患者从骶部麻醉中得到了显著的缓解，这有助于他在手术过程中放松。