basal anesthesia

例句：

1. 1.The patient was given a basal anesthesia to ensure he was comfortable during the procedure.
   为了确保患者在手术过程中感到舒适，给患者使用了基础麻醉。
2. 2.The surgeon used a basal anesthetic to numb the area before performing the surgery.
   外科医生在手术前使用了一种基础麻醉剂来麻醉该区域。
3. 3. During the recovery period, the patient received basal anesthesia to help with pain management.
   在恢复期，患者接受了基础麻醉剂，以帮助管理疼痛。