砂纸

bō li shā zhǐ

玻璃砂纸

glass paper

xì shā zhǐ

细砂纸

fine sandpaper

shā zhǐ dǎ mó

砂纸打磨

sand papering

cū shā zhǐ

粗砂纸

coarse sandpaper

ná zhāng shā zhǐ bǎ kuàng zi shang de léng jiǎo mó yuán

拿张砂纸把框子上的棱角磨圆。

Take a piece of sandpaper and round off the edges of the frame.

yòng shā zhǐ bǎ yǐ zi dǎ mó guāng

用砂纸把椅子打磨光。

Polish the chair with sandpaper.