mil.

例句：

1. 1. The car drove at a speed of 60 miles per hour.
   汽车以每小时60英里的速度行驶。
2. 2. She walked for miles to reach the nearest hospital.
   她走了好几个小时才到达最近的医院。
3. 3. The distance between two cities is approximately 50 miles.
   两座城市之间的距离大约是50英里。