举个简单例子，人体内上千种共生菌是千万年进化的结果，有益于人体健康，转基因食品的影响都已知吗？

来源: Santaiyang 于 2018-10-30 06:22:37 [旧帖] [给我悄悄话] 本文已被阅读：次

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