metanephrine

例句：

1. 1.The patient's blood pressure dropped dramatically after the surgery.
   手术后，患者的血压急剧下降。
2. 2.The doctor prescribed a medication to help him cope with stress.
   医生开了一种药来帮助他应对压力。
3. 3. The metanephrine levels in his urine were elevated, indicating an underlying condition.
   他的尿液中的去甲肾上腺素水平升高，表明有潜在的疾病。