1 00:00:00,166 --> 00:00:02,683 手臂同時入水 形成Y字形 2 00:00:03,350 --> 00:00:04,283 蝶泳 3 00:00:05,750 --> 00:00:07,383 怎麼不從基礎學啊 4 00:00:08,183 --> 00:00:10,000 腿部動作要像海豚一樣 5 00:00:10,383 --> 00:00:12,449 以腰部爲核心 雙腿併攏
