exigency
n. 紧急；迫切需要
名词复数：exigencies
近义词：emergency，necessity，demand，need，pressure，requirement，constraint，pinch，
英英释义
Noun
- a pressing or urgent situation;
"the health-care exigency"
- a sudden unforeseen crisis (usually involving danger) that requires immediate action;
"he never knew what to do in an emergency"
例句
用作名词(n.)
- The president is free to act in any sudden exigency.在任何突发的紧急状况下董事长可自行采取行动。