英语翻译帮忙翻译一下这一段话（急用）：Some food is carried in closed bags.It is

英语翻译
帮忙翻译一下这一段话（急用）：
Some food is carried in closed bags.It is cooked and frozen before the astronaut get it.All the water is removed from the food.In the space,the astronaut puts the water back.He "shoots"hot or cold water into the food bag with a special gun.He eats the food through a small hobe in the bag.