circuit railroad

• 环形铁道

circuit railroad的用法和样例：

例句

1. It stands hard by the railroad tracks.
   它紧挨着铁道。
2. This time the men were imported as work crews to construct the first transcontinental railroad.
   这一次他们是作为建造第一条横贯大陆的铁道的劳工而进口来的。