Tetrabid四环素[四环素类抗生素]tetran.脂鲤（南美产的热带鱼）pref.四；四原；四基tetrahydrotetrapyrrole carboxylic acids四氢四吡咯羧酸Tetrahydrofolate aminomethyltransferase四氢叶酸氨甲基转移酶tetrazole derivative primary explosives四唑衍生物起爆药tetragonal paramorphic hemihedral class正方副象半面象晶族Tetrastigma hemsleyanum diels et.Gilg三叶青TETRA Terrestrial Truncked Radio System地面集群无线电系统tetraacetyldibenzylhexaazaisowurtzitane四乙酰基二苄基六氮杂异伍兹烷tetrakis hydrohymethyl phosphonium salt四羟甲基季鳞盐Tetrastigma Hemsleyanum Diels et. Gilgtetrahydroxy-iso-sterocho lanic acid四羟异胆甾烷酸