Optical crown glass
冕光学玻璃（指低色散光学玻璃）
🧩 词语组成解析
crown
[kraʊn]
n. 王冠;花冠（有时象征胜利）;王权;（某物的）顶部;
vt. （尤指通过增添成就、成功等）使圆满;为…加冕;使圆满完成;给…以荣誉;
vi. 露顶;
glass
[ɡlæs]
n. 玻璃;玻璃制品;镜子;
vt. 给某物加玻璃;反映;使平滑如玻璃;
vi. 成玻璃状;
🗣️ 情景例句
I just don't know what to say.
我真不知该说什么好。
What a coincidence!
真巧！
When work continued, one man lit a cigarette as he was working, but, finding it had a strange taste, he put it out.
随后他们继续干活，一个工人在干活时点燃了一支香烟。可是他觉得有一股怪味，他就把烟灭了。