Decollimation
去平行性(光束), 平行性破坏
🗣️ 情景例句
A red sky at night indicates fine weather the following day.
晚上天边红预示着明早天气好。
Diligence is the mother of good luck.
刻苦是成功之母。
What is it about?
这是关于什么的？