region.区；部位regabbr.地区（=region）abbr.登记（=register）abbr.有规则的（=regular）regio cubiti anterior肘前区regio plantaris pedis足底,足底区registration district登记区regulhble power supply可调整电源regulator cover gasket调节器盖衬Reggedized workstation加固工作站registration of vessel船舶登记regulator spring screw调节簧螺钉regulatable expression可调节表达regulating speed motor调速电动机