Lead investigator Dr Marco Colonna explained immune cells patrol the gut to ensure that harmful microbes hidden in the food don't sneak into the body.
首席研究员马尔科?科隆纳 (Marco Colonna) 博士解释说，免疫细胞会在肠道中进行巡逻，确保隐藏在食物中的有害微生物不会悄悄进入体内。