厨房和客厅之间有一条狭窄的通道，让布局显得很局促。

A narrow ___passage between the kitchen and the living room made the layout feel cramped.

他们在图书馆的旧书架后面发现了一条秘密通道。

They discovered a secret ___passage hidden behind the old bookshelf in the library.

沿着这条地下通道走就能到达堡垒的另一边。

Follow this underground ___passage to reach the other side of the fortress.