traversing jack

例句：

1. 1.The traversing jack was apopular tourist attraction in the area.
   过路的杰克是该地区一个受欢迎的旅游景点。
2. 2. The traversing jack was used to transportgoods across the river.
   过路的杰克被用来在河上运输货物。
3. 3. The traversing jack was a symbol ofthe town's rich history and culture.
   过路的杰克是这个城镇丰富历史和文化的象征。