flashmob
noun [ C ] uk/ˈflæʃ.mɒb/ us/ˈflæʃ.mɑːb/
快闪族（一群人约定快速聚集到某地做某一有趣或可笑之事后再全部闪离）
a group of people who arrange, by email or mobile phone, to come together in a place at the same time, do something funny or silly, and then leave
英汉双解词典收录81607条英汉双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。