n.突发事件；紧急状态
adj.应急的；紧急的；备用的
She has the ability to keep calm in an emergency. 她有处变不惊的本事。
We took the emergency in our stride. 我们泰然地处理了紧急情况。
The rioting grew worse and the government declared a state of emergency. 骚乱恶化，政府只得宣布进入紧急状态。
用作形容词 (adj.)He has made every arrangement to meet any emergency. 他已作好了应急的一切准备。
With these incidents, Tang Ying consulted experts from various vocations for measures in emergency. 通过这些案例，唐颖向各行各业的专家请教了很多自我防范和应急的方法。
There are four emergency exits in the department store. 这家百货公司有四个紧急出口。
emergency在表示具体的“紧急事件”时,是可数名词,泛指“紧急状况”“紧急关头”时,是不可数名词。引申可指“政治危机”。
