Before you begin each exercise, read these instructions carefully. Read them each time you begin a new piece. They are very important.
在开始每项练习之前，要细读这些指令。它们很重要，每次开始新课前都要读读指令。
Doctors Instructions: Need to have physical exercise for minimum of 45 minutes daily.
医生说：每天需要进行体育锻炼最少45分钟。
Doctors Instructions: Need to have physical exercise for minimum of 45 minutes daily.
医生说：每天需要进行体育锻炼最少45分钟。
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