primordialadj.原始的；自原始时代的；最初的primordial blastopore原胚孔primordial innovation原始创新primordial mesenchyme原间质primordial cartiIages[医] 骨化软骨, 暂时性软骨primordial germ cells原生殖细胞Primordial cyst of jaw颌原基囊肿primordial-qi theory元气学说primordial cyst of bone骨始基囊肿primordial solar nebula太阳系星云primordial radionuclide原生放射性核素