n.(尤指英格兰东部)低位沼泽，沼泽
fen的复数

原形：fen复数：fens

The fen is a vast wetland ecosystem teeming with diverse plant and animal life.
苔原是一个充满丰富动植物多样性的大型湿地生态系统。
After the long journey, they finally reached the edge of the fen, feeling exhausted but relieved.
经过长途跋涉，他们终于抵达苔原边缘，虽然疲惫但感到安心。
Fen plants have adapted to survive in the acidic and waterlogged soil conditions.
苔原植物已经适应了酸性且积水的土壤环境。
The fen is an important habitat for migratory birds, providing them with food and shelter during their annual journeys.
苔原是候鸟的重要栖息地，为它们的年度迁徙提供食物和庇护所。
Archaeological digs in the fen have uncovered ancient artifacts dating back thousands of years.
苔原的考古挖掘发现了追溯到数千年前的古老文物。
Fenland farmers have faced challenges due to the unpredictable water levels, but they've found innovative ways to manage it.
苔原地区的农民因水位变化无常而面临困难，但他们找到了创新的管理方法。
The fen's unique landscape, with its winding waterways and reed beds, attracts many nature enthusiasts.
苔原独特的地貌，蜿蜒的水道和芦苇丛，吸引了众多自然爱好者。
Conservation efforts are underway to preserve the fragile fen ecosystem from human encroachment and climate change.
正在进行保护措施，以防止人类侵入和气候变化对脆弱的苔原生态系统造成破坏。
Fenland folklore speaks of mysterious creatures that dwell deep within the marshes at night.
苔原的民间传说讲述了夜晚沼泽深处的神秘生物。
The fen serves as a crucial stopover for birds on their migratory routes, contributing to the global biodiversity.
苔原作为候鸟迁徙途中的重要停留点，对全球生物多样性有重大贡献。