city elevated railways 城市高架铁路
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以上来源于: WordNet
N an urban railway track built on supports above a road 高架铁路 [美国英语]
The first of at least six metro lines is under construction in Ho Chi Minh City; two elevated railways are being built in Hanoi.
胡志明市计划建设至少六条地铁线路，目前正在建设第一条；河内正在修建两条轻轨。
Thee first of at least six metro lines is under construction in Ho Chi Minh City; two elevated railways are being built in Hanoi.
胡志明市计划建设至少六条地铁线路，目前正在建设第一条；河内正在修建两条轻轨。 。
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