专员 zhuānyuán specialist Definitions Defs Origin Strokes Stroke Words Sentences Sents 联合国难民事务高级专员办事处 Liánhéguó Nánmín Shìwù Gāojí Zhuānyuán Bànshìchù UNHCR Office of the United Nations High Commissioner for Refugees (UNHCR)高级专员 gāojízhuānyuán high commissioner