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
Don't worry, Alexandra.
别担心，Alexandra。
On behalf of all the China National Packaging Import and Export Corporation employees invited tonight.
我代表被邀请的中国包装进出口公司全体员工。
If you want to be thinner and healthier, you have to eat less food--and you also have to take more exercise.
“如果你想瘦些、健康些，你就得少吃一点--你还得多运动。”