tetrads四色相(等间隔)配色tetran.脂鲤（南美产的热带鱼）pref.四；四原；四基tetraphenyl ethylene四苯乙烯tetrachloro ethylene四氯乙烯Tetralonia chinensisn.中国四条蜂Tetrabromobiphenol A四溴双酚ATetraneura triangulan.角四脉绵蚜tetrahydropyrimidine四氢嘧啶Tetrastigma yiwuensen.易武崖爬藤tetradecendioic acid[化] 十四烯二酸; 十四碳烯二酸Tetrapyle pachyderman.厚皮四门孔虫tetraphenylporphyrin四苯基卟啉