medicine例句：
The medicine did not achieve the desired effect.
这种药未达到预期效果。
Garlic is widely used in Chinese folk medicine.
大蒜广泛应用于中国民间医药。
Did you take your medicine?
你吃过药了吗？
drug例句：
This drug is used to lower blood pressure.
这种药用于降血压。
The drug should only be used under medical supervision.
这种药须遵医嘱方可使用。