玉米使世界从只能养活4亿人变成养活40亿人以上。

来源: 老生常谈12 于 2014-04-22 07:15:57 [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.

Change Ad Consent