bridge infection

例句：

1. 1.The bridge was severely damaged during the flood.
   桥梁在洪水中严重受损。
2. 2. The infection spread quickly through the community.
   这种感染迅速在整个社区传播。
3. 3.The doctors were trying to treat the bridge infection.
   医生们正试图治疗桥梁感染。