麻醉药品

例句：

1. 1. The doctor prescribed a strong sedative for her pain.
   医生给她开了强效的镇静剂来缓解疼痛。
2. 2. He was given an injection of morphine to relieve his pain.
   他被注射了吗啡来缓解他的疼痛。
3. 3. The patient needed anesthesia before the surgery.
   手术前，患者需要麻醉。