concealed ovulation

短语

释义与例句

n.
  1. 1.

    A form of ovulation, in certain species, where the female shows no perceptible signals indicating that she is fertile.

    不可数 生物

    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.