倒数第二

We'll be sitting in the second carriage from the bottom of the train.

我们在倒数第二节车厢里。

The villain of the novel is polished off in the last chapter but one.

小说中那个坏蛋在书中倒数第二章被干掉了。

November is the penultimate month of the year.

十一月是一年中倒数第二个月。