VOA慢速英语:麦当劳庆祝巨无霸第五十周年

sauce – n. a thick liquid put on food to add flavor

ingredient – n. one of the things used to make food or products

hamburger – n. a round, flat shape of meat that is cooked and eaten between pieces of bread

sandwich – n. two pieces of bread containing meat, cheese, etc.

bun – n. small, round piece of bread