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cacogenics

听听怎么读
英 [ˌkækə'dʒenɪks]
美 [ˌkækə'dʒenɪks]
是什么意思
  • n.

    劣生学（研究杂交造成的种系退化现象等）；

    • 英英释义

    cacogenics

    • n.the study of the operation of factors causing degeneration in the type of offspring produced

      同义词：dysgenics

    学习怎么用

    权威例句

    The nam family : a study in cacogenicsEUGENICS vs. CACOGENICS: An Ethical Question of Importance to the Movement—Attention Should Be Centered on Factors of Absolute Valu...The Nam family; a study in cacogenics, by Arthur H. Estabrook ... and Charles B. Davenport ... With four charts and four text figures.Human InheritanceEugenic Sterilization in the United StatesModernist Versions of Pastoral: Poetic Inspiration, Scientific Expertise, and the “Degenerate” FarmerDysgenicsDysgenicsDysgenicsDysgenics
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