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单词 estral
释义

WordReference Random House Unabridged Dictionary of American English © 2024
es•tral  (estrəl),USA pronunciation adj. 
  1. Physiology, Zoologyestrous.
  • estr(us) + -al1

WordReference Random House Unabridged Dictionary of American English © 2024
oes•trus  (estrəs, ēstrəs),USA pronunciation n. 
  1. Zoology, Physiologyestrus.
  • Greek oîstros gadfly, sting, madness
  • Latin
  • 1690–1700

Collins Concise English Dictionary © HarperCollins Publishers::
oestrus /ˈiːstrəs; ˈɛstrəs/, US estrus, US estrum /ˈiːstrəm; ˈɛstrəm/ n
  1. a regularly occurring period of sexual receptivity in most female mammals, except humans, during which ovulation occurs and copulation can take place; heat
Etymology: 17th Century: from Latin oestrus gadfly, hence frenzy, from Greek oistros

ˈoestrous, ˈoestral, US ˈestrous, ˈestral adj
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更新时间:2025/2/22 16:59:57