sandpaper
n [U] strong paper coated with sand or a similar substance, used for rubbing surfaces smooth 砂纸. v [Tn, Tn.p]
smooth (sth) with sandpaper 用砂纸磨光(某物).
🗣️ 情景例句
and it's not about you. OK.
而且不是关于你的。好吧。
The restaurant doesn't open until seven forty-five.