Tetraenan.四合木属tetran.脂鲤（南美产的热带鱼）pref.四；四原；四基tetracyclic coordinate四圆坐标tetrafluorobenzoic aid四氟苯甲酸tetraethoxy-silicanen.四乙氧基硅Tetranychus autumnalis[医] 秋恙螨Tetrapentalon calycinan.杯四瓣虫Tetramethylpiperidinol四甲基哌啶醇tetradecylendioic acid[化] 十四烯二酸; 十四碳烯二酸tetracosandienoic acid二十四碳二烯酸Tetrasphaera spongiosan.四球虫tetracyclic triterpene四环三萜