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
He has to drive for twenty minutes to get from his house to his office.
从他的家到他的办公室有20分钟的车程。
Oh, thank you.
噢，谢谢了。
I hope it will be very successful.
希望您这出戏会非常成功。