相关单词近义词 umbilical 脐带的临近词Umbilicala, umbilical, umbilical vein graft, Umbilical hemorrhage, umbilical cord stump, Umbilical cord serum, umbilical eventration, umbilical cord artery, umbilical perforation, umbilical haemorrhage, umbilical plug access, umbilical connections相似词ululate, ululation, um, umami, umbilicus, umbra, umbrage, umbrella, 返回 umbilical cord