morasses
n．
1. 沼泽地（morass的复数形式）：湿地，泥泞的地带，通常被认为是难以穿越的。
2. 困境：使人陷入困境或困难的境地。
例句
Two of the sweeping bastions appeared to rest on the water which washed their base , while a deep ditch and extensive morasses guarded its other sides and angles.
其中有两座大碉堡就建在湖边，一面的墙脚被冲刷着，另外的几面和拐角处，则围着一条很深的壕沟和一片开阔的沼泽地。
