a clause in a contract that provides for an increase or a decrease in wages or prices or benefits etc. depending on certain conditions (as a change in the cost of living index)
a stairway whose steps move continuously on a circulating belt
例句
用作名词 (n.)
Take the escalator over there down one floor. 在那边下一层楼后乘自动扶梯。
Appointed mechanical engineering for drive,skirting ,cover design and escalator nonstandard design. 期间作为机械工程师主要负责自动扶梯传动系统与围裙板，内外盖板的设计。
经典引文
Prices and wages are fellow-travellers on the same upward escalator.
美
['eskəleɪtər]
