补充一句，弗莱明发现青霉素的时候是先知道机理的？呵呵。

来源: 知人知面于 2014-06-14 21:37:50 [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.