renewal of tree

例句：

1. 1. The forest is undergoing a renewal of its trees.
   森林正在经历其树木的更新。
2. 2. The plantation has seen significant rejuvenation since the last harvest.
   自从上次收获以来，这个种植场已经发生了显著的再生。
3. 3. The old oak tree is showing signs of renewal with new growth.
   老橡树正在显示出新生的迹象。