short duration event

例句：

1. 1.The meeting lasted only a few hours.
   会议只持续了几个小时。
2. 2. This is just a brief description of the event.
   这只是对事件的简短描述。
3. 3. Short-lived events can be exciting and unexpected.
   短暂的事件可以令人兴奋和出乎意料。