pharmacology of Chinese materia medica

例句：

1. 1. Pharmacology is the study of how drugs work in the body.
   药理学是研究药物在身体中的作用。
2. 2. The pharmacologist discovered a new drug that could treat cancer.
   这位药理学家发现了一种新的药物，可以治疗癌症。
3. 3. Pharmacology is an important field in medicine because it helps doctors prescribe drugs more accurately.
   药理学在医学中非常重要，因为它帮助医生更准确地开处方药。