roughen
🇺🇸
/ˈrʌfn/
🇬🇧
/ˈrʌfn/
verb
R
to make or become not smooth
The smooth stone starts to roughen after being in the water for a long time.
光滑的石頭在水中待了很長時間後開始變得粗糙。
translation
使變粗糙
詞形變化
3rd Present
roughens
Past
roughened
Perfect
roughened
Progressive
roughening