资料来源 : pyDict

烟幕

资料来源 : WordNet®

smokescreen
     n 1: (military) screen consisting of a cloud of smoke that
          obscures movements [syn: {smoke screen}]
     2: an action intended to conceal or confuse or obscure;
        "requesting new powers of surveillance is just a
        smokescreen to hide their failures" [syn: {smoke screen}]