qingyan pills

例句：

1. 1.The traditional Chinese medicine has been used for centuries to treat various ailments.
   这种传统中药被使用了几个世纪来治疗各种疾病。
2. 2.The doctor prescribed the medication for my chronic pain.
   医生开给我慢性疼痛的药物。
3. 3. The patient took the pills daily as per the doctor's advice.
   患者按照医生的建议每天服用这些药丸。