The Underground Railroad was not a real railroad.

地下铁路不是真正的铁路。

The " Underground Railroad" wasn't a railroad at all.

“地下铁路”根本不是铁路。

Still more extraordinary than the Seamen's Act was the Adamson law of 1916 fixing a standard eight-hour work-day for trainmen on railroads—a measure wrung from Congress under a threat of a great strike by the four Railway Brotherhoods.

比《海员法》更特别的是 1916 年的亚当森法，它规定了铁路列车员的标准工作日八小时——这是在四大铁路兄弟会大罢工的威胁下从国会强行采取的一项措施。