nitrate concentration

• 硝酸盐浓度

nitrate concentration的用法和样例：

例句

1. In fact, prolonged boiling wastes fuel and increases the concentration of nitrates, which are dangerous for very young babies.
   事实上，延长沸腾时间消耗燃料并且增加硝酸盐浓度，对于幼小的婴孩是很危险的。