三分钟热度（san fen zhong re du）指的是一个话题或事件在短时间内获得的广泛关注度。这个词来源于中文，据说最早出现在网络上。它描述了互联网时代人们对新鲜事物的浮躁和瞬息万变的喜好。一些英文例句可能是：

The hot topic of the day only had a three-minute hotness.

The latest viral video only had a three-minute hotness before people moved on to the next thing.

The latest celebrity scandal had a three-minute hotness before people lost interest.