metal stairs or a ladder on the outside of a building that people can use to escape from a fire 安全梯，太平梯（在建筑物外部，用以逃离火场） 
The thief got away down the fire escape. 小偷顺着太平梯下来逃走了。
Oxford Collocations DictionaryFire escape is used before these nouns:- ladder
