cockle stair

例句：

1. 1. The old house had a crooked cobblestone staircase leading up to the second floor.
   这所老房子有一个蜿蜒的鹅卵石楼梯通向二楼。
2. 2. The cuckoo clock chimed every morning, signaling the start of the day.
   报时鸟钟每到早上就敲响，标志着一天的开始。
3. 3.The crooked staircase led down to the cellar, where the family stored their wine and other treasures.
   这个弯曲的楼梯通往地下室，那里是家人储存葡萄酒和其他宝藏的地方。