obliterate

v. 涂掉，擦掉

objectionable, objectionably, objective, objectively, objectivity, objector, objet d'art, oblate, obligate, obligation, obligatory, oblige, obliged, obliging, obligingly, oblique, oblique angle, obliquely, obliqueness, obliquity, obliteration, oblivion, oblivious, obliviousness, oblong, obloquy, obnoxious, obnoxiously, obnoxiousness, oboe, oboist, obscene, obscenely, obscenity, obscur, obscure, obscurely, obscurity, obsequies, obsequious,