fens
n. (尤指英格兰东部的)沼泽地带( fen的名词复数 )
Fen is used to refer to an area of low, flat, wet land, especially in the east of England.
...the flat fen lands near Cambridge.
剑桥附近平坦的低地沼泽
Most of the landscape in the Fens is as flat as a pancake.
菲恩斯的大部分地形都是极平坦的.
He lieth under the shady trees , in the covert of the reed, and fens.
它伏在莲叶之下, 卧在芦苇隐密处和水洼子里.