busyadj.忙的；繁忙的；热闹的；(电话)占线的vt.使忙于busy switch示忙键busy-work=busyworkbusy street繁华的街道busy report占线报告busy visual示忙灯busy season旺季busy advance预先操作busy channel繁忙通道busy at work忙于工作busy on exit出口忙碌