bow·fin /ˈboˌfɪn/
 北美產淡水魚的一種
 Bow·fin n. Zool. A voracious ganoid fish (Amia calva) found in the fresh waters of the United States; the mudfish; -- called also Johnny Grindle, and dogfish.
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 bowfin
      n : primitive long-bodies carnivorous freshwater fish with a
          very long dorsal fin; found in sluggish waters of North
          America [syn: grindle, dogfish, Amia calva]