Regan.雷加河(在波兰)regabbr.地区（=region）abbr.登记（=register）abbr.有规则的（=regular）regio mammalis乳房区regulating act管理法案regrindability磨锐性regrown region再生长区regulable flow流量调节regulator loci调节基因座Regulatory role调控作用regulating gate控制闸门regulating site调节位点regulatory cell调节性T细胞