近100年前的創造，就是現在看起來還是很前衛啊。

來源: lepton 於 2019-08-06 09:51:39 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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