fen peat

例句：

1. 1. The forest floor is covered in a thick layer of fen peat.
   森林地面上覆盖着一层厚厚的泥炭。
2. 2. The plantation relies on the natural growth of fen peat for fertilizer.
   这个种植场依赖自然生长的泥炭作为肥料。
3. 3. Fen peat is an important source of carbon and can be used to mitigate climate change.
   泥炭是重要的碳源，可以用来缓解气候变化。