词汇与表达：facade-frontage-flank-

facade
The facade of a building, especially a large one, is its front wall or the wall that faces the street.
frontage

The restaurant has a river frontage.
餐馆正对着一条河。

flank:http://www.etthink.com/thread-283688-1-1.html
The side of anything large can be referred to as its flank .
They continued along the flank of the mountain.
他们沿着山的一侧继续前行。