progenitor
n. 祖先；原著；起源
复数 progenitors
例句
He was also a progenitor of seven presidents of Nicaragua.
他也是尼加拉瓜七位总统的祖先。
《柯林斯英汉双解大词典》
He was the progenitor of a family of distinguished actors.
他是一个著名演艺世家的先辈。
《牛津词典》
Further down the line here, if we looked in the adult brain or spinal cord and other regions, we'll find committed progenitor cells.
沿着这条线再往后，如果我们看看成人的大脑或者脊髓和其他部位，我们就能找到定向祖细胞。
