solvent swell

例句：

1. 1. The solvent is essential for dissolving the salt.
   溶剂是溶解盐所必需的。
2. 2.The chemical reaction is dependent on the solvent's properties.
   化学反应依赖于溶剂的性质。
3. 3.Solvents are used to remove impurities from a solution.
   溶剂用于从溶液中去除杂质。