◆◆◆游泳重要的21条法则 徒步十年 1. Three of the most important components of swimming are:technique,technique, technique. 2. Strive for optimum, not maximum, performance. ...
◆◆◆游泳重要的21条法则 徒步十年 1. Three of the most important components of swimming are:technique,technique, technique. 2. Strive for optimum, not maximum, performance. ...