[] () a short or strange advertisement that is used to increase the public's interest in a product, especially one that is not yet available. It does not usually give the name of the product. 前导广告（尤指产品上市之前投放的旨在引起公众关注的小广告。广告中通常不提及产品名称）◆Retailers have been running teaser ads this week in preparation for tomorrow's launch. 零售商本周一直在做前导广告，为明天的产品投放作准备。◆a teaser ad for an upcoming concert 为即将举行的音乐会所做的前导广告ⓘ Teaser ads are usually followed by normal advertising when the product becomes available. 在产品上市後，通常会投放常规广告以接续前导广告。