Noun:

1. a verse line having four metrical feet

tetrapakn.利乐包tetran.脂鲤（南美产的热带鱼）pref.四；四原；四基tetrahydrocorticosterone四氢皮质(甾)酮Tetrapyle rotundospinosan.圆棘四门孔虫Tetragonopterus chalceusn.伪银灯鱼(脂鲤科)Tetracaine hydroehloride盐酸丁卡因tetraisopropoxy titanium四异丙氧基钛Tetractis actinastroidesn.星芒四射藻tetralogy of Eisenmenger艾森曼格(氏)四联症Tetranychus urticae Koch二斑叶螨tetraiodophenolphthalein四碘酚酞tetra - element system四元要素系统