短語(yǔ)詞組短語(yǔ)amniotic c sac 羊膜囊number of amniotic sac 羊膜囊數(shù)Amniotic sac bulging 羊膜囊膨出Infection of amniotic sac and membranes 羊膜囊和胎膜的感染 返回 amniotic sac