Using an array of chemicals to seal the meat and inhibit bacterial growth,the scientists already have produced pepperoni and barbecue chicken indestructible sandwiches,which have been given a cautious welcome by soldiers who agreed to try them.

• 科学家通过一系列化学方法把鲜肉密封起来，这样可以防止细菌的滋长。并且他们已经制作出了意大利香肠和烤鸡肉两种口味的“防水三明治”。尽管一些士兵愿意尝试这种新型的三明治，但是他们对此还是报以小心翼翼的态度。