microbialKK [maɪˋkrobiəl] /maɪˈkɹoʊbiəl/發音形容詞1微生物的、細菌的Microbial activity in the soil helps break down dead leaves.土壤中的微生物活動有助於分解枯葉。2微生物引起的The outbreak was traced to microbial contamination of the water supply.這次疫情追查到是供水受到微生物污染所致。