两人开始上长达一小时的课，像往常一样，先要进行几分钟的挥拍热身，先正手再反手。

The two began their one-hour lesson, as usual, with a few minutes of long warm-up rallies, first to the forehand, then to the backhand.

youdao

两人开始上长达一小时的课，像往常一样，先要进行几分钟的挥拍热身，先正手再反手。

The two began their one-hour lesson, as usual, with a few minutes of long warm-up rallies, first to the forehand, then to the backhand.

youdao