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
Thanks, Susan.
谢谢， Susan。
I ate roast chicken for lunch yesterday.
我昨天午饭吃的是烧鸡。
Our own warm atmosphere and the heat generated by the telescope would make it impossible to detect objects as small as planets.
地球周围温暖的大气层和望远镜散出的热量使得我们根本不可能找到比行星更小的物体。