电子词典的出现给外语学习带来了巨大的影响,近年来日益增多的互联网上的在线词典则在更广的范围内为外语的学习和使用提供了极大的方便。作为下一步发展的趋势,笔者认为如果能够将电影、连续剧、动漫、广告等视频资源中含有的语言、场景等丰富的信息量与在线辞典方便的查找功能相结合,必然会给在线词典和外语学习带来巨大的变革。作为尝试,本文以网络编程和数据库为技术支撑,设计了实现具有对视频中台词进行全文检索并实时点播功能的在线辞典,并对其教学科研运用的可能和需要面对的问题进行探讨。 The emergence of electronic dictionaries has brought enormous impact on foreign language learning. In recent years, the increasing number of online dictionaries on the Internet has provided great conveniences for learning and using foreign languages ​​in a wider scope. As a trend of the next step, I believe that if we can combine abundant information, such as languages, scenes, etc. contained in video resources such as movies, serials, animes and advertisements with the convenient search function of online dictionaries, it is bound to give online dictionaries and foreign languages Learning brings great change. As an attempt, based on network programming and database technology, this paper designs an on-line dictionaries to realize full-text retrieval and real-time on-demand function of lines in video, and discusses the possible and needed problems in teaching and research.