上行电梯的英文：
up escalator

Try to prevent an escalation of the war.
竭力防止战争升级。

The cost of living is escalating.
生活费用越来越高。

The building was equiped with escalator.
那大楼按装了自动梯。

escalation has conceptual affinities with bargaining theory
逐步升级同交易理论在概念上具有相似性。

You can ride the escalator up but have to descend on foot.
你可以搭电梯上去，但要自己走下来。