Tetrakan.马岛旋叶鹎tetran.脂鲤（南美产的热带鱼）pref.四；四原；四基Tetraneura radicicolan.根四脉绵蚜Tetracyclus japonicusn.日本四环藻Tetrazole derivatives四唑衍生物tetradynamous stamens四强雄蕊tetrabromobisphenol A四溴双酚Atetramisole phosphate磷酸四咪唑Tetraploid watermelon四倍体西瓜tetrahydroshobakunine四氢小檗宁tetrahedron structure四面体结构Tetraphenyl porphyrin四苯基卟啉