roughen

roughen

英 ['rʌf(ə)n]
　　美 ['rʌfn]

vi. 變粗糙
　　vt. 使粗糙

中文詞源：

roughen 使粗糙

rough,粗糙的，-en,使。

例句：

1. What has roughen'ed your temper?
可什麼東西惹惱瞭你瞭?

2. Roughen the surface before applying the paint.
先把表面弄毛糙再塗顏料.

3. You'd better roughen the surface before applying the paint.
你最好先把表面弄毛糙再塗顏料.

4. Before painting the wood, roughen the surface with sandpaper.
油漆木器前, 先用砂低把表面磨毛糙.

5. As a conventional surface process, grit blasting can be used to clean and roughen metal surface.
噴砂是常用的金屬表面處理方法, 可起毛化和清潔作用,如作為熱噴塗塗層的預處理工藝.