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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你是个大块头，是运动员吗？

You are a big man! Are you an athlete?

youdao

你是个大块头，是运动员吗？

You are a big man! Are you an athlete?

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