“as American as apple pie”是“地道美国式的”。据说，美国人自欧洲移居到美洲就很喜欢吃 apple pie。所谓的apple pie是一种用烤箱制作的甜点，它的外面裹着一层面粉，里面是用苹果做的馅儿。

【例句】
Baseball is as American as apple pie because it was invented in America and is played and watched everywhere in this country.
棒球是美式运动，因为它是在美国发明的，全国各地都有人打这种球或看这类运动。

An American couple opened a restaurant in japan, and their food tasts as American as apple pie.
一对美国夫妇在日本开了家餐馆，他们食品的味道具有美国特色。