stem cell的复数形式为：stem cells...

stem cell的音标：stem cell的英式发音音标为：[stem sel]stem cell的美式发音音标为：[stɛm sɛl]...

n.干细胞...

Each of these life - sustainng agents begins as a stem cell , a sort of hematological embryo.这三种维持生命的要素都起源于干细胞.干细胞是血液的胚胎.Dolly's legacy includes the possibility of making patient - specific embryonic stem cell lines...