紧急事件

例句：

1. 1. The sudden emergencies caused chaos in the city.
   突如其来的紧急情况在城市中引起了混乱。
2. 2. He was called to the scene of the accident as an emergency worker.
   他作为紧急工作人员被召到事故现场。
3. 3. The doctor advised us to seek medical help immediately if we were in an emergency.
   如果遇到紧急情况，医生建议我们立即寻求医疗帮助。