水化

例句：

1. 1.The soil was too dry, so the farmer had to water it.
   土壤太干了，所以农民不得不给它浇水。
2. 2.After the rain, the ground softened and became easier to walk on.
   雨后，地面变软了，走起来更容易了。
3. 3.The old tree's bark was starting to harden, making it more difficult to climb.
   老树的树皮开始变硬，爬起来更困难了。