雙齒動物
Diphyodont \Diph"y*o*dont\, a. [Gr. ? double (di- = di`s- twice
+ ? to produce) + ?, ?, tooth.] (Anat.)
Having two successive sets of teeth (deciduous and
permanent), one succeeding the other; as, a diphyodont
mammal; diphyodont dentition; -- opposed to {monophyodont}.
-- n. An animal having two successive sets of teeth.