词汇	视网膜照片
释义	视网膜照片医retinograph
随便看	universal negative proposition Universal Negro Improvement Association universalness universal net universal net theory universal network universal neurasthenia universal neurinomatosis universal Neuroton universal newborn hearing screening universal new born hearing screening universal night universal night answer universal night answering Universal Night Sight universal nomogram of shielding universal notation universal number universal numbering system universal number recording machine universal number refcording ma chine universal number refcording ma-chine universal numerical control machine tool universal numerical interchange terminal universal numerical system