人类多功能干细胞的培养和使用备受争议，因为这类细胞的自然来源胚胎，在提取过程中会被破坏。

The culturing and use of human pluripotent stem cells is controversial because the natural source of such cells is embryos, which are destroyed by the process of extraction.

youdao

人类多功能干细胞的培养和使用备受争议，因为这类细胞的自然来源胚胎，在提取过程中会被破坏。

The culturing and use of human pluripotent stem cells is controversial because the natural source of such cells is embryos, which are destroyed by the process of extraction.

youdao