消防云梯

例句：

1. 1. The firefightersused the ladder to reach the top ofthe building.
   消防员使用梯子爬到了大楼的顶部。
2. 2. The ladder was a crucialtool in the firefighting operation.
   梯子在灭火行动中是关键工具。
3. 3. Theladder was used to rescue people trapped underthe rubble.
   梯子被用来营救被困在瓦砾下的人。