rail

The toddler held onto the metal rail tightly as he slowly climbed the steep stairs.

(Chinese) 那个幼儿紧紧抓住金属扶手，缓慢地爬上陡峭的楼梯。

Safety regulations require a sturdy hand rail on any walkway higher than three feet.

(Chinese) 安全条例规定，任何高于三英尺的走道都必须安装坚固的手扶栏杆。

The cargo train jumped the rail near the station, causing significant delays for commuters.

(Chinese) 货运火车在车站附近脱轨，导致上班族严重延误。

Transporting heavy goods by rail is often more fuel-efficient than using long-haul trucks.

(Chinese) 通过铁路运输重型货物通常比使用长途卡车更省油。