cranked slab stairs

例句：

1. 1. The old house has been converted into a museum, with cranked slab stairs leading up to the entrance.
   这座老房子被改造成了博物馆，曲柄踏板楼梯通向入口。
2. 2.The designer created a series of cranked slab stairs that seamlessly blended with the surrounding environment.
   这位设计师设计了一系列曲柄踏板楼梯，它们与周围的环境完美融合。
3. 3. The cranked slab stairs were so steep that only skilled climbers could make it up.
   曲柄踏板楼梯非常陡峭，只有熟练的攀岩者才能攀登上去。