基本解釋粗加工,粗糙法同根派生 roughening相關詞英漢例句Before painting the wood, roughen the surface with sandpaper.油漆木器前，先用砂低把表面磨毛糙。Roughen the surface before applying the paint.先把表面弄毛糙再涂顏料。roughening更多例句