我做过几次，种子最好是从买来的瓶子里取而不是自己再生的酸奶里取，否则杂菌会越来越多。

来源: xiaochu3 于 2018-04-23 13:10:43 [旧帖] [给我悄悄话] 本文已被阅读：次

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