These days it was so hard to replace iron rails, to replace anything made of iron.

在目前情况下，要换铁轨或任何铁制的东西都很不容易呢。

During his custody, he curved the iron rail and broke out of the prison.

在拘留期间，他弯曲了铁条越了狱。

He sprang over the iron Rails which defended it, and the Saint underwent a thorough examination.

他跃过保护它的铁栏杆， 对圣徒进行了彻底的检查。

She was returning: of course my heart thumped with impatience against the iron rails I leant upon.

她要回来了：当然，我的心在我倚靠的铁栏杆上不耐烦地跳动着。

In some places along the iron rails, mounds of buffalo bones rose almost as high as the ancient prairie grasses.

在铁轨沿线的一些地方，成堆的水牛骨头几乎和古老的草原草一样高。

There the aerial staircase began its gyrations, only guarded by a thin iron rail, and the narrowing steps seemed to ascend into infinite space!

空中的楼梯开始旋转，只有一根细细的铁栏把守着， 狭窄的台阶仿佛升入了无限的空间！

The railroads, with their fragile iron rails, their little wheezy locomotives, their wooden bridges, their unheated coaches, and their kerosene lamps, fairly typified the prevailing frontier business and economic organization.

铁路以其脆弱的铁轨、发出喘息声的小机车、木桥、不加热的客车和煤油灯，相当典型地代表了当时流行的边疆商业和经济组织。