viaduct是什么意思

n.高架桥,高架铁路,间道

1. The viaduct spans over the river, connecting the two sides of the city.（这座高架桥横跨河流，连接了城市的两边。）
2. The train passed over the viaduct, offering passengers a beautiful view of the surrounding countryside.（火车经过了高架桥，为乘客们呈现出周围乡村的美景。）

a long bridge with many arches that carries a road or railway over a valley or other road