牙原基 牙原基的英文 英语翻译 teeth primordium; tooth fundament 拓展翻译 牙原囊肿odontogenic cyst牙原纤维瘤odontogenic fibroma牙原纤维肉瘤odontogenic fibrosarcoma牙原性的odontogenic牙原性溃疡dental ulcer胸腹原基thoracico-abdominal rudiment镶牙学prosthodontia向牙尖cuspad象牙ivoryebur; ivory象牙海岸Ivory coast象牙海岸的Ivorian象牙色蜡ivory wax象牙树属Mata Forst.象牙塔the tower of ivory象牙炭ivory black; Paris black象牙酮宁eburnamonine象牙样的eburneous象牙样瘤ivory-like tumor象牙皂ivory soap象牙纸ivory paper