麻醉疗法

例句：

1. 1. The patient was given alocal anesthetic to numb thearea before surgery.
   患者在接受手术前接受了局部麻醉以麻木该区域。
2. 2. During theoperation, the patient was under general anesthesia.
   在手术期间，患者处于全身麻醉状态。
3. 3. Anestheticsare used to relieve pain and prevent infectionduring surgery.
   麻醉剂用于缓解疼痛和预防手术期间感染。