1. 风桥：overcharge 过载 | overcrossing 风桥 | overcrushing 过度破碎
2. 上跨交叉：覆盖层剥除 overburden stripping | 上跨交叉 overcrossing | 挤集型城市 overcrowded city
3. 上跨交：overburden stripping 覆盖层剥除 | overcrossing 上跨交* | overcrowded city 挤集型城市
4. 立體交叉,跨線橋：6501 overburden 超載 | 6502 overcrossing 立體交叉,跨線橋 | 6503 overcrowding 擁擠
noun
1. a bridge designed for pedestrians
Synonym: footbridge pedestrian bridge