action of drug

例句：

1. 1. The new drug has shown significant action in treating cancer patients.
   这种新药在治疗癌症患者方面显示出了显著的效果。
2. 2.The effect of the medication on the patient's condition was immediate and dramatic.
   这种药物对病人的状况的影响是立即且戏剧性的。
3. 3. The researcher found that the action of the drug on the brain was not as expected.
   研究者发现，这种药物对大脑的作用并没有预期的那样。