胚囊泡 pēinángpào blastodermic vesicle Definitions Defs Origin Strokes Stroke Words Sentences Sents 胚 pēi noun embryo (bound form) embryo; fetus; the early stage of a developing organism囊 náng noun sac something resembling a bag or sac in structure or function; anatomical sac泡 pào noun bubble bubble; foam; blister; sth. shaped like a bubble, such as a lightbulb