Cách sử dụng
The word 'fen' is used to describe a type of wetland or marshy area. It is an area of land that is covered with water, reeds, and grasses. Fens are found in low-lying areas and are often home to a wide range of plant and animal species. The word can be used in sentences like "The ducks swim in the fen" or "The fen is a great place for birdwatching."