eugenesisWiktionary 原文/ˈjuˌd͡ʒɛn.ə.sɪs/构词拆解eueu-前缀genesisgenesis词干eu-good, well · true, genuine词源说明From eu- + genesis.释义名词noun1(biology) The quality or condition of having strong reproductive powers; generation with full fertility between different species or races, specifically between hybrids of the first generation.