[countable] an advertisement on television or on the radio（电视或电台播放的）广告◆TV commercials电视广告◆a commercial break (= a time during or between programmes when advertisements are shown) 插播广告时间 (Stock Exchange 证券交易(所)) commercials [plural] shares in companies that buy and sell goods to individual customers商业公司股票；商业股票◆In the City today, commercials rose slightly but there was little interest in industrials.在今天的伦敦城里，商业公司的股价略有上升，但对工业股的兴趣不大。