probiotic bacterium英 [ˌprəʊbaɪ'ɒtɪk bækˈtɪərɪəm]美 [ˌprəʊbaɪˈɒtɪk bækˈtɪriəm]网络 益生菌网络英英释义nouna beneficial bacterium found in the intestinal tract of healthy mammalsSynonym:probioticprobiotic microfloraprobiotic flora