Cardiovascular exercise is the key to speeding up your metabolism, burning excess calories, and fighting body fat.
心肺功能运动是加速新陈代谢、燃烧多余卡路里和减肥的关键。
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Your metabolism is slower than it used to be (for every pound you lose your metabolism slows down by 20 CAL a day) and your body is used to your current exercise routine and diet.