新视野大学英语词汇讲解第248期:emergency

2012-10-17 08:54:41　

emergency

n. sudden serious event or situation requiring immediate steps to be taken
紧急事件；紧急情况
You should only use this door in an emergency.
这个门只有在紧急情况下才能使用。
The government has declared a state of emergency.
政府已宣布处于紧急状态。