hydration weakening

例句：

1. 1. The body needs hydration to maintain its functions.
   身体需要水分来维持其功能。
2. 2. The patient was given a hydration solution to replace lost fluids.
   病人被给予一种补水溶液以替代失去的液体。
3. 3.The researcher found that the hydration level of the soil could affect the growth of plants.
   研究者发现土壤的含水量水平会影响植物的生长。