Optical system analysis
[计] 光系统分析
🧩 词语组成解析
🗣️ 情景例句
If you have something you want to talk about,
假如你有什么事情要谈，
A little wind kindles, much puts out the fire.
适可而止，过犹不及。
In a few days I was learning and enjoying it like any child.
几天之后，我像一个孩子那样学习起来--而且学得很开心。