Not a good idea is the road is not flat



所有跟贴·加跟贴·新语丝读书论坛http://www.xys.org/cgi-bin/mainpage.pl

送交者: HunHunSheng 于 2006-2-14, 13:52:07:

回答: 上周发明了避免被羊牛超过的长跑方法 由 Latino2 于 2006-2-14, 13:48:15:

I always alternative 跑顺时针 and 跑反时针. Some roads
are not even so that you always have one foot higher
than the other, which may accummulate to something bad.

By alternating, you even that out




所有跟贴:


加跟贴

笔名: 密码(可选项): 注册笔名请按这里

标题:

内容(可选项):

URL(可选项):
URL标题(可选项):
图像(可选项):


所有跟贴·加跟贴·新语丝读书论坛http://www.xys.org/cgi-bin/mainpage.pl