| 单词 | roughen |
| 释义 | roughen 1 ENTRIES FOUND: roughens; roughened; roughening roughens; roughened; roughening Learner's definition of ROUGHEN : to become rough or cause (something) to become rough使变粗糙（或不平整） [+ object]
[no object]
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英汉双解词典包含109353条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。