Holocaine

例句：

1. 1. The doctor administered a local anesthetic to numb the area before surgery.
   医生在手术前给病人局部麻醉。
2. 2.Narcotic drugs are highly addictive and can cause severe addiction problems.
   麻醉药物高度成瘾，可能导致严重的成瘾问题。
3. 3.During the operation, the patient was given a sedative to help him relax.
   手术期间，病人被给予镇静剂以帮助他放松。