专门 zhuānmén HSK3 specially Definitions Defs Origin Strokes Stroke Words Sentences Sents 专门机构 zhuānménjīgòu specialized agency 专门化 zhuānménhuà specialize to specialize专门家 zhuānménjiā specialist 专门人员 zhuānménrényuán specialist staff or professionals specializing in a particular field or assigned to a specific task专门列车 zhuānménlièchē special train