bridge post

例句：

1. 1. The bridge was built to connect two towns.
   这座桥是为了连接两个城镇而建造的。
2. 2. The bridge post is a crucial part of the bridge structure.
   桥墩是桥梁结构中至关重要的部分。
3. 3. The bridge post is made of steel and can withstand heavy loads.
   桥墩由钢制成，能够承受重载。