So, what kind of link can be just regarded as retrorse link by it?
那么，什么样的链接才会被它视为反向链接呢？
Foot, jogging, retrorse movement are the simple, effective movements with oxygen.
步行、慢跑、反序运动是简单易行且较有实效的有氧运动。
Foot, jogging, retrorse movement are the simple, effective movements with oxygen.
步行、慢跑、反序运动是简单易行且较有实效的有氧运动。
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