基本解释粗加工,粗糙法同根派生 roughening相关词英汉例句Before painting the wood, roughen the surface with sandpaper.油漆木器前，先用砂低把表麪磨毛糙。Roughen the surface before applying the paint.先把表麪弄毛糙再塗顔料。roughening更多例句