我觉得用暗知识好。因为我想到暗能量。

来源: applebee3 于 2019-08-18 13:49:56 [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.