tetrag正方晶的, 四方晶的tetran.脂鲤（南美产的热带鱼）pref.四；四原；四基tetral notation四进制记数法tetrabasic acid四元酸tetraplocaulous有四轴的tetrad notation四进制记数法tetratomic base四价碱Tetraneura chuin.朱氏四脉绵蚜tetranucleotide四核苷酸tetratolyl lead四甲苯基铅Tetracentraceae水青树科Tetraiodoethene四碘乙烯[外用撒布粉, 抗菌油膏]