不能光看距離，高度爬升也很重要。還有路況，看難度係數，負重多少。

來源: AprilMei 於 2021-10-11 18:20:49 [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.