Flash mob
01
快闪族, 快闪活动
a large group of people organized using social media who gather together publicly at an exact time, do something for a short time and then disperse
例子
I saw a flash mob in the park yesterday, and it was such a fun surprise.
我昨天在公园里看到了一个快闪，那真是一个有趣的惊喜。
The flash mob at the concert was so well-coordinated that it looked like a professional performance.
音乐会上的快闪协调得如此之好，以至于看起来像一场专业表演。
