| 单词 | roughen |
| 释义 | roughen roughen /ˈrʌf.ən/ verb [I or T] ↑Verb Endings for roughen ► F0 to (cause something to) become less smoothThesaurus+: ↑Making things more or less smooth or straightWord Builder:–Adjectives: rough–Verbs: rough, roughen–Adverbs: rough, roughly |
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