freestyle到底什么意思? 学习下各种游泳姿势: 蛙泳breaststroke;自由泳freestyle;仰泳backstroke;crawl stroke 爬泳; back stroke 仰泳;butterfly stroke 蝶泳;underwater swimming 潜泳; diving pool 跳水池;swimming pool 游泳池; three-meter springboard 3米跳板; Hold your breath 憋气; Breathing while swimming.换气 |
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