handrails

基本解释

Handrails run down the middle of the hallway to help prisoners make their way from one end to the other.
走廊（廊壁）上的扶手一直延伸到尽头，这些扶手用来帮助犯人从一头走到另一头。
For the first time ever, getting out of a car is no picnic. My back is hunched. And I'm holding on to handrails as I lurch upstairs.
有史以来第一次，我从车里出来不是去野餐。我的背已经又弯又驼了。当我挣扎着上楼时，我必须要扶着扶手。
With help of a sonic depth-finder a proper shoal gets detected and the fishermen prepare special devices which look something like spinnings and attached to the handrails.
用超声波探测器可以定位鱼群，渔民们准备一种特别的装置：看起来象连着扶手的陀螺。

Metal was protruding from handrails on the staircases, and the elevators often did not work.
NPR: Carnival Cancels 12 More Cruises On Troubled Ship

A handrail is a long piece of metal or wood which is attached near stairs or places where people could slip and fall, and which people can hold on to for support.