tetrazyl[化] 四唑基tetran.脂鲤（南美产的热带鱼）pref.四；四原；四基tetranitro blue tetrazolium赤藓醇(四)硝酸酯四唑蓝, 四硝基蓝四唑Tetralogy of Fallot/surg法洛四联症／外科学tetra-butyl orthotitanate原钛酸四丁酯tetralophous microcalthrops四冠骨针(动)tetramethyl ethylenediamine四甲基乙二胺tetraethylammonium chloride四乙铵化氯Tetralogy of Fallot cardiac法洛四联症tetrahedral mesh generation四面体剖分tetraphyllous paris rhizome王孙Tetravalvulida ord.nov.n.四壳目；新目