Zenker's fixative

例句：

1. 1. The chemical was used to fix the stain on the fabric.
   这种化学品被用来固定织物上的污渍。
2. 2. The doctor prescribed a specific medication for the patient's condition.
   医生为患者开了一种特定的药物来治疗他的病情。
3. 3. The scientist used Zenker's fixative to preserve the samples for further analysis.
   科学家使用Zenker的固定液来保存样本以便进一步分析。