disodium

例句：

1. 1. The solution contains a small amount of disodium phosphate.
   这个溶液含有少量的钠二磷酸盐。
2. 2. Disodium EDTA is used to remove calcium from water.
   二钠乙二胺四乙酸用于从水中去除钙。
3. 3. Disodium EDTA is also used as a preservative in food and pharmaceutical products.
   二钠乙二胺四乙酸也用作食品和药品产品的防腐剂。