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简单地说,益生素是无害的细菌,能保护人体免遭有害细菌的侵袭。
Put simply, probiotics are harmless bacteria that help protect the human body from harmful bacteria.
youdao
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简单地说,益生素是无害的细菌,能保护人体免遭有害细菌的侵袭。
Put simply, probiotics are harmless bacteria that help protect the human body from harmful bacteria.
youdao