neoteny
柯林斯词典
1. N the persistence of larval or fetal features in the adult form of an animal. For example, the adult axolotl, a salamander, retains larval external gills 幼态持续→see also paedogenesis
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1. N the persistence of larval or fetal features in the adult form of an animal. For example, the adult axolotl, a salamander, retains larval external gills 幼态持续→see also paedogenesis