再水化

例句：

1. 1.The soil was so dry that it needed to be rehydrated with water.
   土壤非常干燥，需要用水重新吸水。
2. 2.During the drought, farmers had to resort to rehydration techniques to save their crops.
   在干旱期间，农民不得不采用再水化技术来挽救他们的庄稼。
3. 3.After the flood, the river was rehydrated and ready to flow again.
   洪水过后，河流重新吸水并准备好再次流动。