• 滞育期间,袋鼠袋鼠育儿袋里,因而推迟了子宫第二受精卵的发育

    During diapause, a young kangaroo stays in the female's pouch and growth of a second fertilized egg inside the uterus is delayed.

    youdao

  • 滞育期间,袋鼠袋鼠育儿袋里,因而推迟了子宫第二受精卵的发育

    During diapause, a young kangaroo stays in the female's pouch and growth of a second fertilized egg inside the uterus is delayed.

    youdao

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