concealed ovulation

名词 n.

英文释义

名词 n.
  1. A form of ovulation, in certain species, where the female shows no perceptible signals indicating that she is fertile. uncountable
    — Unlike chimpanzees, whose females have bright red swollen buttocks when ovulating, females in humans evolved to have concealed ovulation, and do not have any perceptible signs that indicate their fertility.
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