false sap

例句：

1. 1. The doctor said he needed to take a few drops of false sap for the pain.
   医生说他需要喝几滴假汁液来缓解疼痛。
2. 2.He was bleeding from his arm and needed to stop the flow with a small amount of false sap.
   他从手臂上流血，需要用少量的假汁液来停止出血。
3. 3. The scientist used false sap to test the effectiveness of her new drug.
   科学家使用假汁液来测试她新药的有效性。