repeat的形容词形式

　　The treatment should be repeated every two to three hours.

　　这种治疗方法应该每隔两到三小时重复一次。

　　He repeated none of the errors he'd made first time round.

　　他没有重复过首次所犯下的任何错误。

　　Repeat these five steps, as in the last exercise.

　　照前面的练习一样，重复这五个步骤。