On Sunday the horses were harnessed to a heavy wagon for a daylong ride over the Border.星期天，马匹被套在一辆沉重的马车上，准备踏上长达一天的穿越边境之旅。We had to endure a dizzy bus ride over a switchback.我们坐在公共汽车上，车子驶过之字形路段时被颠得头晕目眩，但也只能忍着。On Sunday the horses were harnessed to a heavy wagon for a day-long ride over the border.星期天，马匹被套在一辆沉重的马车上，准备踏上长达一天的跨越边境之旅。