refraction change

例句：

1. 1. The change in the refractive index of the medium affects the way light travels through it.
   介质的折射率变化影响了光在其中传播的方式。
2. 2. Due to the change in atmospheric conditions, the speed of light has been observed to vary.
   由于大气条件的变化，光速已经观察到会发生变化。
3. 3. The scientist conducted experiments to measure the refractive change caused by a sudden temperature drop.
   科学家进行了实验来测量温度突然下降引起的折射率变化。