regrowth layer

例句：

1. 1. The soil was rich in nutrients and had a high regrowth layer.
   土壤富含养分，具有很高的再生层。
2. 2.The plant's ability to regenerate its own cells is a key feature of its regrowth layer.
   植物能够自我再生细胞的能力是其再生层的关键特征。
3. 3.The regrowth layer plays a vital role in the restoration of damaged ecosystems.
   再生层在恢复受损生态系统中起着至关重要的作用。