Tetraenan.四合木属tetran.脂鲤（南美产的热带鱼）pref.四；四原；四基tetrahydropyranylation四氢吡喃化tetrahedral interstice四面体间隙tetrasporic embryo sac四孢子胚囊tetrahydropapaveroline四氢维洛林Tetracycline Cyclamate环己氨磺酸四环素tetrapropyl-silicane四丙基硅tetramethylene sulfone四氢噻吩砜,环砜烷tetra-ethyl leaching[医] 四乙基铅tetrabenzyl-silicane四苄基硅tetrahydropimaric acid四氢海松酸