emergency
英 [ɪ'mɜːdʒ(ə)nsɪ]
美[ɪ'mɝdʒənsi]
	    - n. 紧急情况;突发事件;非常时刻
 - adj. 紧急的;备用的
 
英英释意
- 1. a sudden unforeseen crisis (usually involving danger) that requires immediate action;
 - "he never knew what to do in an emergency"
 
- 2. a state in which martial law applies;
 - "the governor declared a state of emergency"
 
- 3. a brake operated by hand; usually operates by mechanical linkage