fresh·et /ˈfrɛʃət/
  漲水;洪水;奔流
  Fresh·et n.
  1. A stream of fresh water. [Obs.]
  2. A flood or overflowing of a stream caused by heavy rains or melted snow; a sudden inundation.
  Cracked the sky, as ice in rivers
  When the freshet is at highest.   --Longfellow.
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  freshet
       n : the occurrence of a water flow resulting from sudden rain or
           melting snow [syn: spate]