di·phy·odont /(ˌ)daɪˈfaɪəˌdɑnt/
  雙齒動物
  di·phy·odont /(ˈ)daɪˈfaɪəˌdɑnt/ 形容詞
  雙套牙(列)的
  Diph·y·o·dont a.  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.
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