concentration-time curve

例句：

1. 1. The concentration-time curve shows the relationship between the amount of pollutant and its concentrationover time.
   浓度-时间曲线显示了污染物的量与其在时间上的变化之间的关系。
2. 2.The concentration-time curve is used to determine the optimal dosage for medication.
   浓度-时间曲线用于确定药物的最佳剂量。
3. 3.The concentration-time curve helps us understand how different factors affect the rate of chemical reactions.
   浓度-时间曲线帮助我们理解不同因素如何影响化学反应的速度。