Breathing - Exhalation Technique(呼吸-呼气的技巧)
Very few novice swimmers exhale properly into the water.(初学游泳者很少能正确地水中呼气)
Nearly all intermediate swimmers think they are exha ...……
Basic Freestyle Swimming Technique features a progressive system of skills and drills that is focused on perfecting the basic elements of successful and efficient swimming. The video details a systema ...……