我一周慢跑三次左右，每次大概跑3-4英里，每英里大约用时7.5分钟（普通锻炼效果），这就是我的参考标准。

I jog about three times a week, for about 3-4 miles each time at about a 7-1/2 minute per mile pace for general conditioning, so that's my frame of reference.

youdao

我一周慢跑三次左右，每次大概跑3-4英里，每英里大约用时7.5分钟（普通锻炼效果），这就是我的参考标准。

I jog about three times a week, for about 3-4 miles each time at about a 7-1/2 minute per mile pace for general conditioning, so that's my frame of reference.

youdao