例句與造句

1. It is a true solution of ions ( e . g . potassium , sodium , and chloride ) , small molecules ( e . g . sugars , amino acids , and atp ) , and a colloidal solution of large molecules ( e . g . proteins , lipids , and nucleic acids )
   它是含離子（鉀離子，鈉離子還有氯離子） ，小分子（糖，氨基酸， atp ）還有大分子膠體（蛋白質(zhì)，脂肪，核酸）的溶液。
2. It's difficult to find solution of ions in a sentence. 用solution of ions造句挺難的