sandpaper
noun
verb
ˈsændˌpeɪpə
noun
1
strong
paper
covered
on
one
side
with
sand
or
a
similar
substance,
used
for
rubbing
wood
in
order
to
make
the
surface
smooth
砂纸
verb
2
to
rub
something
with
sandpaper
用砂纸打磨