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盡頭，這些扶手用來幫助犯人從一頭走到另一頭。
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.
有史以來第一次，我從車裡出來不是去野餐。我的背已經又彎又駝了。儅我掙紥著上樓時，我必須要扶著扶手。
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.
用超聲波探測器可以定位魚群，漁民們準備一種特別的裝置：看起來象連著扶手的陀螺。

Metal was protruding from handrails on the staircases, and the elevators often did not work.
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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.