Is there such thing as a portable freezer?
有便攜式冰箱之類的東西嗎？
Portable freezers will keep your food cold if you're going on a trip. These freezers are considered the best and most highly efficient way to bring fresh and healthy food with you when you travel for the day or for an extended excursion.
如果您要去旅行，便攜式冰箱可以讓您的食物保持低溫。這些冰櫃被認為是您在一天旅行或長途旅行時攜帶新鮮健康食品的最佳和最高效的方式。