roughen
                                                    英 ['rʌf(ə)n]
                                                                        美 ['rʌfn]
                        
                
                
                
                
                    
                                    
                
                                                                                        roughen 中文词源
                
                
                    roughen 使粗糙rough,粗糙的,-en,使。
                 
                                                roughen 英文词源
                
                
                    
                        - roughen (v.)
- 1580s, from rough (adj.) + -en (1). Related: Roughened; roughening.
 
                
                                                    roughen 双语例句
                
                
                    1. What has roughen'ed your temper?  可什么东西惹恼了你了? 来自英汉文学 - 双城记
 - 2. Roughen the surface before applying the paint. 
- 先把表面弄毛糙再涂颜料.
来自辞典例句
 
- 3. You'd better roughen the surface before applying the paint. 
- 你最好先把表面弄毛糙再涂颜料.
来自互联网
 
- 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.
来自互联网
 
- 5. As a conventional surface process, grit blasting can be used to clean and roughen metal surface. 
- 喷砂是常用的金属表面处理方法, 可起毛化和清洁作用,如作为热喷涂涂层的预处理工艺.
来自互联网