| 词汇 | superfecundation |
| 释义 | superfecundation noun[ U ] biology specializeduk /ˌsuː.pə.fek.ənˈdeɪ.ʃən/ us /ˌsuː.pɚ.fek.ənˈdeɪ.ʃən/ a situation in which two or more of a female's eggs are fertilized(= caused to start to develop) by different males: 同期复孕 Although extremely rare in humans, superfecundation is common in dogs, cats, and cows.虽然在人类中极为罕见，但同期复孕在狗、猫和牛中很常见。 Superfecundation is most likely to occur in town and city cats. If female cats were not so sexually voracious, superfecundation would also be far less common. Superfecundation happens when two or more of a woman's eggs are fertilized by different men during the same ovulation period. Animal reproduction androgen anti-oestrogen asexuality asexually barrenness calve fertile impregnate oestrogen out-reproduce ovulate panmictic panmixia procreate procreation procreative rut semen spawn sterile |
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