roughening
['rʌfəniŋ]
粗加工
粗糙法
例句与用法:
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颜料。
词形变化:
动词过去式: roughened | 动词过去分词: roughened | 动词现在分词: roughening | 动词第三人称单数: roughens |