urine drug level

例句：

1. 1.The doctor prescribed a medication for his condition.
   医生为他的疾病开了一种药物。
2. 2.The patient's urine drug level is elevated, indicating an underlying problem.
   患者的尿液药物水平升高，暗示有潜在的问题。
3. 3.The study aims to monitor the urine drug level of patients undergoing chemotherapy.
   该研究旨在监测接受化疗的患者尿液药物水平。