Right now, in your mouth, in your gut, on your skin, you are carrying about 10 times more bacteria cells than human cells.
现在，在你的嘴里，你的肠道里，你的皮肤里，你正携带着约比人体细胞还多10倍的肠道细菌细胞。
2
Genetic material may come from many sources such as hair, blood or even cells from inside one's mouth.
遗传材料有多种来源，如毛发、血样甚至口腔内的单个细胞。
3
Memories of her are trapped in the grey cells of those who knew her, in photographs (analogue and digital), and in countless stories passed on by word of mouth.