A fence made from metal bars is called a railing or railings.
例句
He walked out on to the balcony where he rested his arms on the railing.他走上阳台,把胳膊搭在栏杆上。...the iron railings of the convent grounds.女修道院院落周围的铁栏杆
英汉词典释义
n.
栏杆
We tied this letter to a brick and threw it over the railing.我们把信系在砖上,然后抛过栏杆去。He fell out of the window and was impaled on the iron railings.他从窗口跌下去,身体被铁栏杆刺穿了。He leant against the railing, his breath coming in short gasps.他倚着栏杆,急促地喘气。
英英词典释义
Noun
1. a barrier consisting of a horizontal bar and supports
2. material for making rails or rails collectively