handrail
/ˈhænˌdreɪl/
a railing at the side of a staircase or balcony to prevent people from falling
中文释义:扶手;栏杆
The elderly woman held the handrail tightly as she climbed the stairs.
老妇人上楼梯时紧紧抓住扶手。
Building codes require handrails on both sides of staircases.
建筑规范要求楼梯两侧安装扶手。