Surface must be completely cleam. dry and free of dust and oil. If applied on plastic, polish the surface with sand paper to make it rough.
接合面必须清洁，干燥，无灰尘或油污，若是塑料物件，应先用砂纸打磨其表面，使之粗糙。Dylan is famous for his exotic singing voice. The American writer Joyce Carol Oates said it was "as if sandpaper could sing" .
迪伦以他独特的歌声出名，美国作家乔伊斯·卡罗·奥茨（JoyceCarolOates）形容说“就像砂纸唱歌的声音。”Rub the diamond on a sandpaper for several times. If there're some marks on the surface, it's forged. If no marks, it's a real diamond.
将钻石放在细砂纸上来回擦几次，其表面有擦痕的则为假钻石，无擦痕的则为真钻石。If you need to remove just a bit of stock, use sandpaper.
如果只是需要很小量的修整，可以使用砂纸。a tool used for sanding wood; a loop of sandpaper is moved at high speed by an electric motor.
用砂纸打磨的工具；用电发动机以高速度移动的环状砂纸。Jesse suddenly realized he was thirsty, so thirsty it seemed as if his throat was lined with sandpaper.
杰希忽然发现自己很渴，以至于他的嗓子干得像垫了一层砂纸。Rub the door with sandpaper to provide anchorage for the next coat of paint.
用砂纸摩擦门以供下一层油漆固定之处。A bit of spot putty to smooth things over and then I sanded it smooth.
有点现货的腻子，以打圆场，然后我用砂纸它顺利。Use a fine grain sandpaper to sand all the surfaces you want to stick paper to or paint over.
用砂纸磨平所有你打算粘贴彩纸或是涂上油漆的桌面。