rail 
英 [reɪl]  美 [reɪl] 
n. 铁轨；横杆，扶手；抱怨，痛斥

例句：
They walked across the footbridge, holding onto the rail. 

他们扶着栏杆，走过了人行桥。

They had to walk across an emergency footbridge, holding onto a rope that served as a rail. 

他们不得不抓着一根充当扶手的绳子走过应急人行桥。

Don't lean over the rail! 

不要靠在围栏上！

frocks hanging from a rail 

挂在横杆上的外衣

This pair of curtains will fit a rail up to 7ft 6in wide. 

这副窗帘要安装在7英尺长6英寸宽的横杆上。