In fact, using their proprietary process, Arteriocyte can produce 19 pints of red blood cells with a single umbilical cord.
事实上，Arteriocyte使用其私有的方法，可以通过一条脐带生产数19品脱血液。
2
Researchers made this connection after discovering a 380-million-year-old female specimen that still retained a single embryo connected by an umbilical cord.
研究人员在发现了一个3.8 亿年前的标本还保有一个连着脐带的胚胎，由此得出了这一结论。
3
Complex yarns are made for their appearance value, and they may BE single, ply, cord or modified cord construction.