And so I remember it because it went beyond the context of the topic that it was meant to master and it was the question I picked was about light transmission in solids and fluids and gas and how light behaves.

我之所以记得它，是因为它超出了本要掌握的主题范围，我选择的问题是关于光在固体、流体和气体中的传输以及光的行为。