a mile and a quarter的用法和样例：
- For some reason, he doesn"t seem to nail a mile and a quarter.
- They ran him up a mile and a quarter (2 kilometers) of winding mountain roads broken in some points by car-sized boulders, flung there by landslides triggered by the quake.
- A sign announced the San Roque turnoff was a mile and a half ahead.
- He led by three lengths after a quarter of a mile.