ur·gen·cy /ˈɝʤən(t)si/
  緊急,催促,強求
  ur·gen·cy /ˈɝʤənsɪ/ 名詞
  尿急
  Ur·gen·cy n.  The quality or condition of being urgent; insistence; pressure; as, the urgency of a demand or an occasion.
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  urgency
       n 1: the state of being urgent; an earnest and insistent
            necessity
       2: pressing importance requiring speedy action; "the urgency of
          his need"
       3: 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"
       4: insistent solicitation and entreaty; "his importunity left
          me no alternative but to agree" [syn: importunity, urging]