tetract四射海绵骨针tetran.脂鲤（南美产的热带鱼）pref.四；四原；四基tetrahydroporphin四氢卟吩tetra-alkylated四烃基的Tetrahyropamative延胡索乙素tetrahedral sheet四面体片tetrahedron chest[医] 菱形胸(鸡胸)tetrazolium stain四唑染色剂tetra pak package利乐无菌包tetrapentacontane五十四烷tetrafluoroethanen.四氟乙烷tetradeconic acid[医] 肉豆蔻酸, 十四烷酸