街头广告 meaning in Chinese

outdoor advertising

To advertise the event , the initiates worked in groups to put up posters on campus throughout the night , and disseminate pamphlets . they also gathered their courage to take turns performing a talk - and - sing show through a loudspeaker at heavily crowded intersections
这次活动的宣传，大专同修除了分组漏夜在校园内张贴海报散发间准备外，还鼓起勇气轮流拿起麦克风，在人潮汹涌的十字路口进行又说又唱的街头广告。