CIRPn.国际生产工程研究协会CIRabbr.圆圈(=circle)abbr.电路；圈(=circuit)abbr.圆周；周长(=circumference)Cirrhigaleusn.须角鯊属cirrhogenousadj.引起硬变的cirsimaritin蓟黄素cireumradius外接球半径Cirl Buntingn.黄道眉鹀cirele girth圆周长cirrostratusn.卷层云cirri anales胆(门)须, 肛(门)须cirrostrafusn.卷层云cireoviridin柠檬绿胶霉素