天然植物常常有雙向調節作用，例如黑木耳既止血又活血。提煉出來的物質，就隻有單向作用了。

來源: 愛令於 2022-01-26 21:11:08 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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