紧急情况
近义词与同义词
按词义分组列出，使用时请结合具体语境。
an urgent situation calling for prompt action; "I'll be there, barring any urgencies"; "they departed hurriedly because of some great urgency in their affairs"
a sudden unforeseen crisis (usually involving danger) that requires immediate action; "he never knew what to do in an emergency"
a state in which martial law applies; "the governor declared a state of emergency"