roughen
verb /ˈrʌfn/
/ˈrʌfn/
[intransitive, transitive]动词形式
| present simple I / you / we / they roughen | /ˈrʌfn/ /ˈrʌfn/ |
| he / she / it roughens | /ˈrʌfnz/ /ˈrʌfnz/ |
| past simple roughened | /ˈrʌfnd/ /ˈrʌfnd/ |
| past participle roughened | /ˈrʌfnd/ /ˈrʌfnd/ |
| -ing form roughening | /ˈrʌfnɪŋ/ /ˈrʌfnɪŋ/ |
- to become rough; to make something rough
变粗糙；使粗糙 - His voice roughened with every word.
他说话的声音越来越嘶哑。 - roughen something Cold weather roughens your skin.
天气寒冷，皮肤变得粗糙。
- His voice roughened with every word.