Tetraenan.四合木属tetran.脂鲤（南美产的热带鱼）pref.四；四原；四基Tetraonchus monenteronn.单肠四钩虫Tetrastigma funingensen.富宁崖爬藤tetrapod nanostructure四角锥状纳米结构tetramethyl-ethylenen.四甲基乙烯tetramine intoxication毒鼠强中毒tetrachloride titanium四氯化钛Tetrachloronaphthalene四氯萘Tetraclitella pilsbryin.皮氏小笠藤壶tetralocular synangium四腔聚合囊Tetranychus viennensis山楂叶螨