cockle-stair

例句：

1. 1. The old househad cockle-stairsthat creaked with every step.
   这所老房子有吱吱作响的多孔石阶。
2. 2. The path winds throughthe cockle-stairsof the castle.
   这条小径穿过城堡的多孔石阶。
3. 3. Theold man walked up thecockle-stairs to his room.
   老人沿着多孔石阶走到他的房间里。