我居住的地方一馬平川，缺少練習跑上坡和跑下坡的實際場地，隻能在跑步機上馬馬虎虎地練，與現實差別比較大。

來源: 廣陵曉陽於 2022-08-17 09:32:55 [博客] [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.