门前有一个小台阶。

There is a small ___staircase in front of the door.

孩子们喜欢在这座老房子的木楼梯上跑上跑下。

The kids love running up and down the wooden ___staircase in this old house.

上楼梯时请扶好扶手。

Please hold the handrail while walking up the ___staircase.