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.
滑らかな石は、長時間水の中にいると粗くなり始めます。
translation
粗くする
語形変化
3rd Present
roughens
Past
roughened
Perfect
roughened
Progressive
roughening