crusade

n. 为维护理想，原则而进行的运动或斗争

crudely, crudity, cruel, cruelly, cruelty, cruet, cruise, cruise missile, cruiser, crumb, crumble, crumbling, crumbly, crumbs, crummy, crumpet, crumple, crunch, crunchy, crupper, crusader, crush, crush barrier, crushing, crushingly, crust, crustacean, crusty, crutch, crux, cry, cry down, cry for, cry off, cry out, cry-baby, crybaby, crying, cryogenic, cryogenics,