过去的是木轮，推起来很重；现在的是不用充气的胶轮，推起来轻多了。

来源: 路上盲人于 2014-02-09 09:17:03 [旧帖] [给我悄悄话] 本文已被阅读：次

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