dissolved solids

例句：

1. 1. The water in the lake has a high concentration of dissolved solids.
   湖里的水含有大量的溶解固体。
2. 2.The chemical reaction is responsible for the dissolution of the solids.
   化学反应导致固体溶解。
3. 3.The process of evaporation causes the dissolved solids to precipitate out.
   蒸发过程导致溶解固体沉淀出来。