fenoprop

例句：

1. 1. The patient's condition improved significantly after receiving the treatment.
   患者在接受治疗后状况显著改善。
2. 2. The doctor prescribed the medication for pain relief.
   医生开了这种药来缓解疼痛。
3. 3. Fentanyl is a powerful narcotic that can cause addiction and overdose.
   芬太尼是一种强效麻醉剂，可能导致成瘾和过量。