a quarter of a mile请问这是多长的距离?

a quarter of a mile请问这是多长的距离? was a scant quarter of a mile up the road 的意思是什么啊?一定要准确! a country mile 意思是很长的距离么? 请问a six-mile formation run和a four-mile minimum road march这两个 a quarter of the students. 短暂的平静是a minute of peace,a quarter of peace还是a moment of peac a quarter of a pound of a quarter of one percent是0.25%吗 get within half a mile of Dover three quarter of a book为什么quarter没用复数 a quarter of a million Maoris, for over a quarter of century 的意思?