Thompson broke the previous marathon record by two hours and 45 minutes.
问题描述：
Thompson broke the previous marathon record by two hours and 45 minutes.
It was a feat with her feet,a milestone of miles.
加of miles 是为了和feat with her feet 押韵吗
答
这就是为了和a feat with her feet 对仗,所以用了a milestone of miles.
翻译就是：汤普森以2小时45分钟打破了之前的马拉松记录,这是用他的脚创造的成绩,是这一运动的里程碑.