cwm

n rounded valley or hollow on a mountain 圆形的山谷或山上的大圆坑.

cutback, cute, cutely, cuteness, cuticle, cutlass, cutler, cutlery, cutlet, cutpurse, cutter, cutthroat, cutthroat razor, cutting, cutting bit, cutting-room, cuttingly, cuttlefish, cutworm, cv, cwt, cyanide, cybernetic, cybernetics, cyberspace, cyclamate, cyclamen, cycle, cyclic, cyclical, cyclically, cyclist, cyclone, cyclonic, Cyclopean, cyclostyle, cyclotron, cyder, cygnet, cylinder,