Following years of reformulating at McDonald's， most of the burgers itserves in the U.S. are now preservative-free.

多年来，麦当劳为其产品重新制定了配方，如今麦当劳在美国提供的大多数汉堡都不含防腐剂了.

As of Wednesday， the world's largest burger chain says classics like theBig Mac and Quarter Pounder with Cheese are preservative-free， with reformulatedbuns and sauces.

星期三，这家世界上最大的汉堡连锁店表示，巨无霸汉堡和四分之一磅芝士汉堡等经典汉堡都搭配了重新配方的面包和酱汁，不再含有防腐剂了.

Pickles on the sandwiches still contain artificial preservatives， butcustomers can request sandwiches without pickles.

三明治中的酸黄瓜依然含有人工防腐剂，但顾客可以要求不加酸黄瓜.

McDonald's has been gradually removing preservatives from its menu forseveral years in an effort to appeal to more health-conscious buyers.

为了吸引更多注重健康的消费者，在过去的几年里，麦当劳逐步去除了菜品中的防腐剂.

In 2016， it removed high-fructose corn syrup from its buns and tookartificial preservatives out of its Chicken McNuggets.

2016年，麦当劳不再向面包中添加含有高果糖的玉米糖浆，也不再向麦乐鸡块中添加人工防腐剂.

The Chicago-based company says around one-third of its sandwiches stillhave artificial colors， flavors or preservatives， including Egg McMuffins andFilet-O-Fish.

这家总部位于芝加哥的公司表示，其三分之一的三明治依然含有人工色素、调味料或防腐剂，例如满福堡和麦香鱼汉堡.跨专业考研

It hasn't set a timeline for removing those ingredients.

目前麦当劳还未确定何时停止使用这些原料.