If the White House approves this new methodology, researchers could effectively double or triple the number of stem cell lines available within a few months.

如果白宫批准这个新方法，研究人员在几个月内就能够有效地使干细胞株的数量增加1到2倍。

youdao

The head of the British-based team, Dr. Miodrag Stojkovic, told The Associated Press that the double breakthrough proved that stem cell techniques could be successful in humans.

CNN: Cloning success hailed, feared