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
But right now, I'm kind of short of cash.
但现在，我手头很紧。
I hope you have a good time on your trip.
我希望你在你的旅行上过得愉快。
Then she introduced us to Carlos and told us they would get married next week'.
然后她把我们介绍给卡洛斯，并告诉我们说他们下星期结婚。”