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	Arab Spring arachnid Arafat, Yasser Aral Sea Aramaic Aran Islands Aran jumper Arapaho Ararat, Mount arbiter arbitrage arbitrageur arbitrarily arbitrariness arbitrary arbitrate arbitration arbitrator Arbor Day arboreal arboretum arbour arc arcade arcade game

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。