释义 |
su·per·fe·ta·tion AHD[so͞o”pər-fē-tāʹshən] D.J.[ˌsuːpəfiːˈteɪʃən]K.K.[ˌsupəfiˈteʃən]n.(名词)- Formation or development of a second fetus when one is already present in the uterus, occurring normally in some animal species.异期复孕:一个胎儿已在子宫内时另一个胎儿的形成或生长,在一些动物种类中经常发生
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