我建议你在有大块空闲时间的时候开始,对于一个无所事事的冬日周末,这可以算是一项很好的活动。
I suggest having a good chunk of time set aside before even starting. This is a perfect activity for a winter weekend day where you don't have much going on.
有氧运动就是有节奏的、持续的活动。它需要耗氧并且锻炼像手臂和腿部的大块肌肉。
Aerobic exercise is any rhythmic and continuous activity that USES oxygen and large muscle masses of the body, such as the arms and legs.
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