肯定是速度沒起來，整個身體不能完全象一條直木浮起來，造成呼吸時嘴不能露在水上

來源: 小小教頭於 2019-06-12 05:28:31 [舊帖] [給我悄悄話] 本文已被閱讀：次

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