maturation of soils

例句：

1. 1.The plant is maturing into a full-sized tree.
   这棵树正在长成一棵大树。
2. 2. The baby's development is rapid compared to her peers.
   与她的朋友们相比，婴儿的发展速度很快。
3. 3.The fruit is maturing on the tree.
   树上的果实正在成熟。