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| 情景会话:健身中心--- 健身器材 教练 If you want to tone up your legs, I recommend using the treadmill.
 如果想锻炼腿部,我推荐你使用跑步机。
 简 Thanks. Is there anything that I should pay attention to?
 谢谢。应该注意些什么?
 教练 Yeah, there are several things. First of all, you'd better start with a low speed.
 嗯,有几件事情需要注意。首先,最好从慢速开始。
 简 Yeah, I see.
 嗯,我明白。
 教练 Drink some water every 15 minutes and don't use the treadmill more than four times a week.
 每十五分钟就喝一次水,还有每周使用跑步机的次数不要超过四次。
 简 Ok, thanks.
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