iron bridge

• 铁桥

iron bridge的用法和样例：

例句

1. A train thundered across an iron bridge.
   一列火车轰隆轰隆地驶过一座铁桥。
2. It was a steel bridge of a single span and there was a sentry box at each end.
   那是一座单孔铁桥，两端各有一个岗亭。