Catoptrics
n. 反射光学\\n[医] 反射光学
🗣️ 情景例句
Is there a convertible model available?
这里有敞篷车吗？
That's really something.
真了不起。
After they carved the characters on rocks, they put a piece of wet paper on top of the characters and beat it lightly.
他们把字刻在石块上后，再把一张潮湿的纸放在字的上面，并轻轻地拍打。