Optical invariant
[化] 光学不变量
🧩 词语组成解析
invariant
[in'vεəriənt]
adj. 无变化的，不变的;
n. 不变式，不变量;
🗣️ 情景例句
I'm really sorry to hear about that.
听到这个消息真让我感到难过。
Have him return my call.
让他给我回电话。
Thank you. You watched the match, didn't you?
谢谢你。你看了比赛，对吧？