送交者: Haiming 于 2010-02-04, 13:36:08:

回答: 4.5km 由 shine 于 2010-02-04, 12:16:40:

• I hope so. Try to do it every other day. But not less than twice each week.:) (无内容) - shine (0 bytes) 2010-02-04, 15:24:05 (411284)

加跟贴