[mass noun](Zoology)the retention of juvenile features in the adult animal (动)幼态持续,幼态成熟。 亦称 paedomorphosis ■the sexual maturity of an animal while it is still in a mainly larval state, as in the axolotl 幼期性熟。 亦称 paedogenesis
派生 neotenic adjective neotenous adjective 语源
late 19th cent.: coined inGermanasNeotenie, from Greek neos 'new' (in the sense 'juvenile') + teinein 'extend'