papaverin

例句：

1. 1.The plant was used as a natural remedy for pain relief.
   这种植物被用作一种自然疗法，用于缓解疼痛。
2. 2. The research team discovered that papaverin could be used to treat cancer cells.
   研究小组发现，罂粟碱可以用于治疗癌细胞。
3. 3.The patient took the medication regularly, hoping it would help with his chronic pain.
   患者定期服用这种药物，希望它能缓解他的慢性疼痛。