betahistine

例句：

1. 1. The drug has been shown to be effective in treating certain types of cancer.
   这种药物已被证明对某些类型的癌症有效。
2. 2.Betahistine is a natural substance found in some plants that has been used for centuries as a medicinal agent.
   贝塔希特林是一种自然存在于某些植物中的物质，被用作数百年的传统药用。
3. 3. In recent years, researchers have discovered new uses for betahistine in the treatment of neurological disorders.
   近年来，研究人员已经发现了贝塔希特林在治疗神经疾病方面的新用途。