deficiency of fluid and concentration of blood

例句：

1. 1. The doctor prescribed a liquid medication for her.
   医生给她开了一种液体药物。
2. 2. The ocean is a vast source of fluids for marine life.
   海洋是海洋生物的广阔水源。
3. 3. The scientist studied the properties of different types of fluids.
   科学家研究了不同类型流体的性质。