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