The embryo lives in the amniotic cavity.胚胎在羊膜腔中发育。Amniocentesis is the removal of fluid from the amniotic sac.羊膜穿刺术是从羊膜囊抽取羊水的技术.Nursing methods of preserving and making of human amniotic membrane was introduced.并介绍人羊膜的制作...
She went directly to Simon's apartment and knocked on the door.她直奔西蒙的房间,敲了敲门。The savoury smell greeted them as they went through the door.他们进门时一阵香味扑鼻而来。The queues at the door wound around the building.门口的队伍绕了大楼一圈。...