Regan.雷加河(在波兰)regabbr.地区（=region）abbr.登记（=register）abbr.有规则的（=regular）regio buccalis颊区registrationaladj.登记的reguline metal块状金属regio olecrani鹰嘴区Regulating law调节规律regrowth grass再生草regulativeness规范性regulatory fit调节性匹配reground grain细粉,二道粉regio pectoris胸区