roughener

基本解释

• 变毛器, 粗糙器

同根派生

英汉例句

• Roughen the surface before applying the paint.
  先把表面弄毛糙再涂颜料。
• Before painting the wood, roughen the surface with sandpaper.
  油漆木器前，先用砂低把表面磨毛糙。
• You'd better roughen the surface before applying the paint.
  你最好先把表面弄毛糙再涂颜料。
• Before painting the wood,roughen the surface with sandpaper.
  油漆木器前，先用砂低把表面磨毛糙。
• Tn] roughen (a surface) so that plaster or paint will stickto it.
  将(表面)弄粗糙(以便附著灰浆或颜料)。