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tetrahedral element characteristic四面体单元体的特征Tetrapod-like Zinc oxide whisker四脚状氧化锌晶须tetraethyleneglycol dimethyl ether四乙二醇二甲醚tetramethyl-p-phenylenediamine四甲基对苯二胺tetrachloro-tetrabromfluorescein四氯四溴荧光素, 四氯曙红tetraploid plant of herba Taraxaci四倍体蒲公英tetracycline metaphosphate complex四环素磷酸复盐tetra glycol bis - chloroacetate氯乙酸四甘醇双酯tetrahydroxypropyl ethylenediamine四羟丙基乙二胺tetra bromobisphenol A allyl ether四溴双酚A双醚