Tetrakan.马岛旋叶鹎tetran.脂鲤（南美产的热带鱼）pref.四；四原；四基tetrastyle vestibule有四柱装饰的前厅tetrachlorobisphenol四氯双酚tetrahedronal carbon四面体状碳tetraploid induction四倍体诱导tetrahydromesobilene四氢中甲川胆色素, 粪胆色素Tetraneura yezoensisn.瑕夷四脉绵蚜tetramethyl thiazine四甲基噻嗪Tetracyclus lacustrisn.湖沼四环藻tetraacetyl-glucosen.四乙酰葡糖tetramethyl phenylene[化] 2,3, 5,6-四甲亚苯基; 2,3, 5,6-四甲基亚苯基