牙放射学 牙放射学的英文 英语翻译 radiodontia; radiodontology 拓展翻译 牙放射学家radiodontist衍射学diffractometry向放射性radiotropism协同放射corradiation心放射描记法radiocardiograpby湮没放射annihilation radiation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