错了，所有药的原理都来自自然，但人有创造性，就像我国人工合成胰岛素一样，所谓采取自然的精华。

来源: dw8866 于 2016-07-19 16:55:56 [旧帖] [给我悄悄话] 本文已被阅读：次

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