flight of stairs造句

1、We walked in silence up a flight of stairs and down a long corridor.
我们默默地走上一段楼梯，穿过一道长廊。

2、After climbing that long flight of stairs she was completely out of breath.
爬完这么长的一段楼梯后，她已完全喘不过气来了。

3、Della a climbs the final flight of stairs leading to their tiny apartment.
黛拉在不安中走完了通向他们那面积不大的公寓的最后一级楼梯。

4、Each flight of stairs has 20 steps.
每段阶梯有二十级。