natrium citricum

例句：

1. 1. The food wasmade with natrium citricum to enhance its flavor.
   这种食物是用柠檬酸盐来增强其风味的。
2. 2.The natrium citricumis a common additive in many foods.
   柠檬酸盐是许多食品中常见的添加剂。
3. 3.The natrium citricumhelps to preserve the food's freshness and color.
   柠檬酸盐有助于保持食物的新鲜度和颜色。