drug level

例句：

1. 1.The drug levels in the blood are high, which may be a sign of poisoning.
   血液中的药物浓度很高，可能是中毒的迹象。
2. 2.The doctor prescribed a high dose of medication to treat the patient's condition.
   医生开了高剂量的药物来治疗患者的病情。
3. 3.The drug level was tested and found to be within safe limits.
   药物浓度被测试并发现在安全范围内。