roughen
US /ˈrʌf.ən/
UK /ˈrʌf.ən/
动词
使粗糙, 变得粗糙
make or become rough
示例:
•
The wind began to roughen the surface of the lake.
风开始使湖面变得粗糙。
•
Years of hard labor had roughened his hands.
多年的辛勤劳动使他的手变得粗糙。