Tetravu青四环素, 青哌四环素, 青霉素V甲哌四环素tetran.脂鲤（南美产的热带鱼）pref.四；四原；四基tetraiodo-benzenen.四碘苯tetramethylpyrazine四甲吡嗪Tetracosenonic Acid二十四烯酸tetradecyl caproate己酸十四酯tetrahedral packing四方体堆置tetrahedral network四面体格网tetrabutyl silicane四丁基硅Tetrao parvirostrisn.细嘴松鸡tetra-substitutedn.四取代tetratolyl silicane四甲苯基硅