别对他们要求太高。他们中有多少人知道怎么做科学？

来源: voiceofme 于 2018-11-15 07:49:40 [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.