桁架桥

例句：

1. 1. The bridge is made of steel, which makes it strong and durable.
   这座桥是用钢建造的，因此它既坚固又耐用。
2. 2. The engineer designed the bridge to withstand heavy traffic.
   工程师设计了这座桥以承受重交通。
3. 3. The new bridge over the river connects two cities, making travel easier for people.
   新桥横跨河流连接两个城市，使人们的旅行更加便捷。