资料来源 : pyDict

冲积平原

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Carse \Carse\, n. [Of Celtic origin; cf. W. cars bog, fen.
   carsen reed, Armor. kars, korsen, bog plant, reed.]
   Low, fertile land; a river valley. [Scot.] --Jomieson.