supper 指晚餐,一般搭配为 have supper吃晚餐
dish 一道菜 可数名词,one dish ,two dishes
lunch 中餐, 一般搭配为 have/eat lunch吃中饭.
meal 一顿饭,可指早中晚任意一餐饭.可数名词. a meal, two meals.