铁路支线已经到了终点。士兵们都从车厢里下来,从暖棚车里牵出瘦弱的马,备上马鞍,然后出发。 平原上蒙了厚厚的一层冰壳,马蹄一踩下去,冰就裂开了,马一步一滑,时常跌倒在潮湿的雪地里。骑手爬起来,抖掉身上的雪, Railway extension has come to an end. The soldiers all came down from the carriage, pulled out the weakened horse from the warm box, prepared the saddle, and then set out. Plains covered with a thick layer of ice shells, horseshoe one step on, the ice cracked, the horse step by step, often fall in wet snow. Rider climbs up, shake off the body of snow,