Regan.雷加河(在波兰)regabbr.地区（=region）abbr.登记（=register）abbr.有规则的（=regular）regturgitation反胃regio palatina腭区regio laryngea喉区regulator bolt快慢针螺栓regulator link调节器连接杆regulating way调控途径regulator head快慢针头regnum animale动物界regio lumbalis腰部,腰区regulating dam分水坝,调节坝