[, ] () the number of different people who watch a particular television channel, hear a radio programme, etc. over one or more periods of time累计受众（在一段或多段时间内观看某个电视频道、听某个电台节目等的人数）◆We reach an estimated weekly cumulative audience of 1 million viewers.我们每周累计受众达到估计的 100 万人。◆the cumulative audience for the evening news晚间新闻的累计受众➡circulation , reach