Catharanthus roseus

例句：

1. 1. The plant is native to thetropical rainforests of South America.
   这种植物原产于南美洲的热带雨林。
2. 2.Catharanthus roseus is amedicinal plant that has beenused for centuries in traditional Chinese medicine.
   猫爪草是一种药用植物，在传统中医中被使用了几个世纪。
3. 3. In recent years,scientists have discovered that Catharanthus roseus can help treat cancer andother diseases.
   近年来，科学家发现猫爪草可以帮助治疗癌症和其他疾病。