1. 苹果派
An apple pie is a kind of pie made with apples.

2. 整整齐齐的;井井有条的
If a room or a desk is in apple pie order, it is neat and tidy, and everything is where it should be.

3. 十足美国味的；地道美国式的
If you say that something is as American as apple pie, you mean that it is typically American.

1. pie (with a top crust) containing sliced apples and sugar