They searched the area for something larger and came upon a railroadtie.
他们继续找啊找，想找一个大一点的家伙。咦，看到了一根火车道上的枕木。
2
There had to be a significant amount of water in this area, water high enough to lift that railroadtie sized piece of timber and float is perhaps several miles.
必须有大量的水在这方面，水高到足以解除该枕木大小一块木材和浮动也许是几英里。
3
Therefore, buckles to have the enough intensity, the durability, with certain elasticity, and effective maintains between the rail and the railroadtie reliable joint.