Optical flint
火石光学玻璃
🧩 词语组成解析
flint
[flint]
n. 燧石，火石;（打火机等的）打火石;
🗣️ 情景例句
Aren't you excited about that?
你不感到兴奋吗？
I hope so.
我希望如此。
The episode could reasonably serve as a unique epic of royal espionage!
这一幕历史可以说是王室谍报活动中最精彩的篇章。