molar absorbance

例句：

1. 1. The absorption of light by the solution is measured using a spectrophotometer.
   使用分光光度计测量溶液对光的吸收。
2. 2.The molar absorptivity of this compound is very high, indicating that it has strong absorption properties.
   这种化合物的摩尔吸光度非常高，表明它具有强烈的吸收特性。
3. 3. To determine the concentration of a solute in a solution, you need to know its molar absorptivity.
   要确定溶液中溶质的浓度，你需要知道它的摩尔吸光度。