C 胚，胚胎　 the young of any creature in its state before it is born

　aborted ～　流产的胚胎
　human ～s　人的胚胎

　The embryo of the baby continues to grow in the mother's body.　婴儿的胚胎继续在母体内生长。

 ♣ in embryo
在胚胎阶段；尚未成熟；在酝酿中 existing but not yet fully developed
　His plans are still in embryo.　他的计划还在酝酿中。