紧急情况下，救援队必须迅速应对各种紧急情况。

In emergencies, rescue teams must quickly respond to various ___exigencies.

医院的急诊室总是准备好应对各种紧急情况。

The hospital's emergency room is always prepared to handle any ___exigency.

突发洪水使得救援工作变得刻不容缓。

The sudden flood created an ___exigency for immediate rescue efforts.