「仰望天空的自由：仰式的關鍵在於核心支撐。學會放鬆頸部，感受水流承托身體的奇蹟。」
"Freedom of gazing up: the key to backstroke is core support. Learn to relax and feel the miracle of water supporting your body."
不再擔心水進口鼻，掌握最放鬆的游泳方式。
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