gap bridge

例句：

1. 1.The engineers are building a gap bridgeto connect the two sides of the river.
   工程师们正在建造一座连接河流两岸的缺口桥。
2. 2. The gap bridge is apopular tourist attraction in the area.
   这座缺口桥是该地区的一个热门旅游景点。
3. 3. The gapbridge was built to improve safety on thebusy road.
   这座缺口桥是为了改善繁忙道路的安全性而建造的。