Optical constants
[电] 光学常数
🧩 词语组成解析
n. 常量, 常数；物理常数（constant的复数）
🗣️ 情景例句
You have no right to blame him for his sexual preference.
你没有权力批评他的性取向。
Why did you go there?
你为什么去那儿？
We loved it.
太棒了，谢谢你。