Optical constant
[计] 光学常数
🧩 词语组成解析
🗣️ 情景例句
The way to learn a language is to practice speaking it as often as possible.
学习一门语言的方法就是要尽量多地操练说出它来。
Do you really like it?
你真的喜欢吗？
They had large rooms with beautifully decorated walls.
里面房间很大，墙壁装饰华丽。