Spend three to five minutes warming up your muscles and cardiovascular system before doing any exercise.
Spend three to five minutes warming up your muscles and cardiovascular system before doing any exercise.
在做任何运动之前，做3～5分钟的热身活动，活动活动你的肌肉和心血管系统。
Spend three to five minutes warming up your muscles and cardiovascular system before doing any exercise.
在做任何运动之前，做3～5分钟的热身活动，活动活动你的肌肉和心血管系统。