A fen is an alkaline wetland, found (in Britain, anyway) near the eastern shore of England, in and near Norfolk.
A fen is an alkaline wetland, found (in Britain, anyway) near the eastern shore of England, in and near Norfolk.
大沼泽是被碱化了的湿地，靠近英格兰东海岸（英属），部分属于诺福克，并向外延伸。