单词	pre-roll
释义	pre-rollpre-roll /ˈpriː rəʊl $ -roʊl/ noun [countable] technical an advertisement that is shown before a video on the Internet
随便看	top gear top-grossing top hat top-heavy topi topiary topic topical topicality topically topknot topless top-level topmost top-notch Top of the Pops top-of-the-range topographer topographical topography topper topping topple top-ranking top-rated

英语词典包含52748条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。