在蒸锅里倒进小半锅温开水，再放点醋，把发干的面包放在蒸展上，稍蒸一下。盖严，经过一夜，面包就会回软如初。如无蒸锅或离家在外，可把干面包用原来的包装蜡纸包好，再把几张浸透水的纸深在一起，包在包装纸的外层；装进沾了水的塑料袋里，把日扎好，经过一段时间，面包也? In the steamer pour a small half a warm water boil, then put a little vinegar, put the dry bread on the steaming show, a little steaming. Rigid, after a night, bread will be as soft as ever. If no steamer or away from home, the dried bread can be wrapped with the original packaging wax, and then a few sheets of water soaked paper together, wrapped in the outer layer of wrapping paper; into a plastic bag with water , The Japanese tie well, after a while, bread also?