基本释义:

屋顶梯子

网络释义

1)roof ladder,屋顶梯子

2)catladder,屋顶用梯子

3)He ascended the ladder to the roof.,他登梯爬上屋顶。

4)Pillars bolster the roof.,柱子支撑屋顶。

5)dismantle a house of its roof,拆掉房子的屋顶

6)Large columns support the roof.,大柱子支撑屋顶。