Rx

例句：

1. 1. She took the medicine as directed and felt better soon after.
   她按照指示服用了药物，不久就感觉好多了。
2. 2. The doctor prescribed a new medication for her condition.
   医生为她的病情开了一种新的药物。
3. 3. Rx drugs are often used to treat serious illnesses.
   处方药通常用于治疗严重的疾病。