cyclical

a. 轮转的，循环的

cutter, cutthroat, cutthroat razor, cutting, cutting bit, cutting-room, cuttingly, cuttlefish, cutworm, cv, cwm, cwt, cyanide, cybernetic, cybernetics, cyberspace, cyclamate, cyclamen, cycle, cyclic, cyclically, cyclist, cyclone, cyclonic, Cyclopean, cyclostyle, cyclotron, cyder, cygnet, cylinder, cylinder block, cylinder head, cylindrical, cymbal, cynic, cynical, cynically, cynicism, cynosure, cypher,