So, reproduction, proliferation, cell growth happens and then those cells become more differentiated.

所以 繁殖 扩增 细胞开始生长,然后这些细胞开始分化

耶鲁公开课 - 生物医学工程探索课程节选

It goes - going through this process of amplifying divisions, every division increasing the number of cells by a factor of two and these cells becoming more differentiated around the way.

它经历了一系列扩增性的分裂过程,每次分化,细胞数目都翻一番,而在此过程中细胞分化得更成熟

耶鲁公开课 - 生物医学工程探索课程节选