crust

n. 硬皮

cruise, cruise missile, cruiser, crumb, crumble, crumbling, crumbly, crumbs, crummy, crumpet, crumple, crunch, crunchy, crupper, crusade, crusader, crush, crush barrier, crushing, crushingly, crustacean, crusty, crutch, crux, cry, cry down, cry for, cry off, cry out, cry-baby, crybaby, crying, cryogenic, cryogenics, crypt, crypt(o)-, cryptic, cryptically, cryptogam, cryptogram,