• vi. 變粗糙
• vt. 使粗糙

rough,粗糙的，-en,使。

roughen (v.)

1580s, from rough (adj.) + -en (1). Related: Roughened; roughening.

1. What has roughen'ed your temper?

可什么東西惹惱了你了?

來自英漢文學 - 雙城記

2. Roughen the surface before applying the paint.

先把表面弄毛糙再涂顏料.

來自辭典例句

3. You'd better roughen the surface before applying the paint.

你最好先把表面弄毛糙再涂顏料.

來自互聯網

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.

來自互聯網

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,如作為熱噴涂涂層的預處理工藝.

來自互聯網