我觉得不必刻意绷直脚面，脚踝要练出灵活性，是要打水的。如果象“锄头”脚，阻力大，影响速度，不streamline

来源: Waterchase 于 2024-02-24 04:58:55 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.