# roughen ##### 词义 - 英：/ˈrʌfn/； 美：/ˈrʌfn/ - #词性/v 使粗糙；变粗糙 ##### 例句 - Galvanized surfaces , both old and new will be carefully roughened up . - 应小心地使新旧镀锌表面变粗糙。 - However , roughening occurred on the surface of Co-metallic glass , and the apparent delamination phenomenon appeared in metallic glass Co-based metallic glass . - 而Co金属玻璃表面变粗糙并且出现明显的层离现象。 - His voice roughened with every word . - 他说话的声音越来越嘶哑。 ##### 形态 - #形态/word_third roughens - #形态/word_ing roughening - #形态/word_done roughened - #形态/word_past roughened