因为这栋楼没有防火安全梯。

The building was built without any fire escapes.

youdao

高楼疏散安全梯为火灾、地震、空袭疏散居民之用。

This ladder is for use in dispersing residents during fire, earthquake and air attack.

youdao

当你听到非常大的火警的声音、连续的振铃的时候，尽快地跑到最近的安全出口或者安全梯。

When you hear the fire alarm, which is a very loud, continuous ringing noise, you should go to the nearest fire exit or fire escape as quickly as possible.

youdao

当你听到非常大的火警的声音、连续的振铃的时候，尽快地跑到最近的安全出口或者安全梯。

When you hear the fire alarm, which is a very loud, continuous ringing noise, you should go to the nearest fire exit or fire escape as quickly as possible.

youdao