水泳
クロール
背泳ぎ
水泳選手
平泳ぎ
バタフライ
スイミング
スイミング 合成
Teenage girl doing butterfly stroke in swimming pool
Portrait of mid adult man doing butterfly stroke in swimming pool, Cagliari, Sardinia, Italy
Teenage girl in swimming cap and goggles swimming in pool
Timing his strokes
Powering through the water
Young woman doing butterfly stroke in swimming pool
Perfect butterfly stroke!