roughen
US /ˈrʌf.ən/
UK /ˈrʌf.ən/
動詞
使粗糙, 變得粗糙
make or become rough
範例:
•
The wind began to roughen the surface of the lake.
風開始使湖面變得粗糙。
•
Years of hard labor had roughened his hands.
多年的辛勤勞動使他的手變得粗糙。