大雁不仅知道空气动力学，还自带GPS, 多神奇

来源: polebear 于 2024-12-01 17:16:25 [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.