| 单词 | roughen |
| 释义 | roughen (once / 7756 pages) v WORD FAMILY roughen: roughened, roughening, roughens USAGE EXAMPLESThe plan is to build a wide, roughened channel that fits into the natural design of the environment and acts like a ramp, Brown said. Seattle Times(Nov 30, 2016) He was a stocky man, with a sharp, weather- roughened face. Khaled Hosseini, A Thousand Splendid Suns(2007) They have been roughened by competition, hard circumstances and the crowd they mingle with. New York Times(Jun 05, 2016) v make rough or rougher roughen the surfaces so they will stick to each other Ant|Hyper smooth, smoothen make smooth or smoother, as if by rubbing change surface undergo or cause to undergo a change in the surface |
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