estrus 也作 oes.trus
n.（名词）The periodic state of sexual excitement in the female of most mammals, excluding human beings, that immediately precedes ovulation and during which the female is most receptive to mating; heat.（雌性动物的）动情，动情周期：大多数哺乳动物（包括人类）的雌性产生的周期性的性冲动，在此期间内雌性具有排卵的优势，所以该期间最适合性交；刺激
来源：New Latin 现代拉丁语 from Latin oestrus [frenzy, gadfly] 源自 拉丁语 oestrus [狂乱，狂热，游荡的] from Greek oistros * see eis- 源自 希腊语 oistros *参见 eis-
