资料来源 : pyDict

用钢笔写的,印刷的,黑白混合的

资料来源 : WordNet®

black-and-white
     adj 1: not having or not capable of producing colors;
            "black-and-white film"; "a black-and-white TV"; "the
            movie was in black and white" [syn: {black and
            white(p)}] [ant: {color}]
     2: of a situation that is sharply divided into mutually
        exclusive categories; "he rejected a black-and-white
        world"; "there are no black-and-white certainties"; "there
        were no gray areas, you were either for him or against
        him, he was all black-and-white"