到底是：哪种动物爬山时有三条腿，下山时有四条腿？

来源: 宇之道于 2025-06-06 17:35:35 [博客] [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.