viaduct
n 高架桥（via路+duct_引导路的路→高架桥）
释义2：
viaduct
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◙ noun1. a long bridge-like structure, typically a series of arches, carrying a road or railway across a valley or other low ground• 高架桥；高架道路（或铁路）【语源】
1. early 19th cent.: from Latin via 'way', on the pattern of aqueduct
俄语/英语字母转换