magnesium chloride

例句：

1. 1.This salt is used to preserve food and prevent spoilage.
   这种盐用于保存食物和防止变质。
2. 2. The magnesium chloride in the solution helps to dissolve the waxy coating on the surface of the fruit.
   溶液中的镁氯化物有助于溶解水果表面的蜡质层。
3. 3. The magnesium chloride crystals are white and can be used as a substitute for table salt.
   镁氯化物晶体是白色的，可以作为食盐的替代品。