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  1. superfetation

    • IPA[ˌsuːpəfiːˈteɪʃ(ə)n]

    英式

    • n.
      the occurrence of a second conception during pregnancy, giving rise to embryos of different ages in the uterus;the accretion of one thing on another
    • noun: superfetation

    • 釋義

    名詞

    • 1. the occurrence of a second conception during pregnancy, giving rise to embryos of different ages in the uterus this is an example of superfetation and of ovulation during pregnancy
    • the accretion of one thing on another the superfetation of ideas
    • 更多解釋
    • IPA[ˌso͞opərˌfēˈtāSH(ə)n]

    美式

    • n.
      the occurrence of a second conception during pregnancy, giving rise to embryos of different ... this is an example of superfetation and of ovulation during pregnancy

    Oxford American Dictionary