emergency
/ɪˈmɜːdʒənsɪ/noun
(pl. -ies)
1
- a serious, unexpected, and often dangerous situation requiring immediate action紧急情况; 不测事件：
your quick response in an emergency could be a life saver
在紧急情况下, 你反应快可能会逃过一劫
mass noun times of emergency.非常时刻, 紧急时刻。
1.1
- as modifier arising from or needed or used in an emergency紧急情况下出现（或所需、使用）的：
an emergency exit.
太平门（或出口）。
1.2
- a person with a medical condition requiring immediate treatment急症病人, 急诊病人。
1.3
- N. Amer. the department in a hospital which provides immediate treatment〈北美〉（医院的）急诊室：
a doctor in emergency cleans the wound.
一位急诊室的医生清洗了伤口。
2
- Austral. (in sport) a reserve, especially a reserve runner in horse racing〈澳〉（体育运动中的）预备队员, 替补队员（尤指赛马中的备用马）。
3
the Emergency
Irish historical the Second World War〈爱尔兰史〉第二次世界大战。
词源
mid 17th cent.: from medieval Latin emergentia, from Latin emergere 'arise, bring to light' （see EMERGE）.