You can repeat exercises, answer the same questions, listen to the same sound files until you feel comfortable with them.
你可以重复练习，回答同样的问题，听同样的音频文件到觉得很顺耳为止。
We work on about a dozen new skills at a time, such as learning the names of objects, and we repeat the exercises over and over, and over again.
我们每次要学十几样新的技能，比如学习物体的名称。同样的练习我们做了一遍又一遍。
Repeat the exercises described in the preceding section.
把前一节要求的练习重做一遍。
You must practice until you can repeat the exercises fluently without looking at the printed lesson.
你必须坚持练习，直到不看课文就能流利地重复。
When you begin a new lesson, you may read the written lesson as you repeat the exercises with the audio recording.
当你开始一堂新课，你可以跟著录音把书本上的练习重复读出来。
As you are training your vocal system, repeat each of the above exercises with "loud", "medium" and "low" voice volume.
在训练发声系统期间，分别使用高、中、低三种音量来重复以上练习。
As you are training your vocal system, repeat each of the above exercises with "loud", "medium" and "low" voice volume.
在训练发声系统期间，分别使用高、中、低三种音量来重复以上练习。
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