roughing FREQ #32689 [化] 初步加工 释义与例句 v. 1. present participle and gerund of rough 相关短语 roughing up roughing fluid roughing pump roughing pumps roughing mill roughing mills roughing fluids roughing up the bullpen roughing it roughing out rough up n. 试赛, 大打出手 rough up the bullpen rough out 拟出梗概; 粗制 rough it 因陋就简地生活