roughen
动词 v.
英文释义
动词 v.
-
To make rough.
— The wind began to roughen the surface of the sea.
- To become rough.
词源
Etymology tree
English rough
English -en
English roughen
From rough + -en.
English rough
English -en
English roughen
From rough + -en.
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数据来源: Wiktionary