lumalgin

例句：

1. 1. Lumacin is a common anesthetic used in dentistry.
   Lumacin是一种常见的麻醉剂，用于牙科手术。
2. 2. The patient was given narcotics to relieve his pain.
   病人被给予麻醉药以缓解他的疼痛。
3. 3. Sedatives are often used to help patients relax before surgery.
   镇静剂通常用于帮助患者在手术前放松。