serum copper

例句：

1. 1. The doctor prescribed a new medication for the patient's condition.
   医生为患者的病情开了一种新的药物。
2. 2.The researcher found that the serum copper levels in the blood were significantly higher than normal.
   研究人员发现，血液中的血清铜水平显著高于正常值。
3. 3. The scientist analyzed the results of the serum copper tests and compared them with previous studies.
   科学家分析了血清铜测试的结果，并与之前的研究成果进行了比较。