crack

n.破裂声；裂缝 vi.发出爆裂声 vt.使破裂

cowshed, cowslip, cox, coxcomb, coxswain, Coy, coyly, coyness, coyote, coypu, cozen, cozy, CP, cps, crab, crab-apple, crab-louse, crabbed, crabby, crabwise, crack-brained, crack-down, crack-up, cracked, cracker, crackers, cracking, crackle, crackle-ware, crackling, crackpot, cracksman, cradle, craft, craftily, craftiness, craftsman, craftsmanship, crafty, crag,