Elevated railroad
01
高架铁路, 高架轨道交通系统
a railway system built on structures raised above ground level, typically used for public transportation in urban areas
Dialect
American
American
例子
New York City once had a network of elevated railroads before many lines were replaced by subways.
纽约市曾经有一个高架铁路网络，之后许多线路被地铁取代。
