Thin river ice is a significant issue because winter travel is mainly achieved by using the frozen rivers as a transportation route via snow machines or sled dogs.
河面上的冰层十分重要，当地人冬季出行主要就是通过雪车或狗拉雪橇走冰面上的交通路线。
2
They kick a continuous rain of snow and rocks down the route.
他们踢落的积雪和石块就像骤雨落在他们身后的线路上。
3
The desert and the distant snow-encrusted mountains along the route were a reminder of the terrain along the old Silk Road.