那就是他们建这么多天桥、地下通道和公路的原因吗？

Is that why they're constructing so many underpass es, overpasses and highways?

youdao

那就是他们建这么多天桥、地下通道和公路的原因吗？

Is that why they're constructing so many underpasses, overpasses and highways?

youdao

毕业生们设计并监督建造公路、公共客运系统、机场、天桥以及其他保障人民安全高效通行的建筑。

Graduates plan and supervise the construction of highways, mass-transit systems, airports, pedestrian skyways, and other structures that assure the safe and efficient movement of people.

youdao