translation.en: We then take a scaffold, a biomaterial -- again, looks very much like a piece of your blouse or your shirt -- we then shape that material, and we then use those cells to coat that material one layer at a time -- very much like baking a layer cake, if you will.
translation.zh: 之后我们将用生物材料做一个模子， 这片材料就像从你的衬衫上取下的一片， 我们可以给它塑型， 再把培养的细胞涂上去， 一层层地涂—— 就像是烤层层叠叠的蛋糕一样。