哦，还有这样。我初中的时候就知道了，那时还不懂微积分

来源: aguafresh 于 2025-06-10 12:19:08 [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.