By a last-resort evolutionary adaptation, female sharks, it turns out, are capable of parthenogenesis, or virgin births.
凭这招进化适应性的杀手锏，雌性鲨鱼原来可以单性生殖，或者说，以童贞女之身怀孕生产。
By a last-resort evolutionary adaptation, female sharks, it turns out, are capable of parthenogenesis, or virgin births.
凭这招进化适应性的杀手锏，雌性鲨鱼原来可以单性生殖，或者说，以童贞女之身怀孕生产。
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