
好词典

源自拉丁语 'oestrus'(狂热,激情),借自希腊语 'oistros'(牛虻;强烈的冲动)。
❶ 指雌性哺乳动物周期性出现的发情期,此时动物处于可受孕状态,常伴有行为及生理变化。
“The cat is in estrus and attracting male cats in the neighborhood.”
(这只猫正处于发情期,吸引着附近的公猫。)
“Farmers track the estrus cycle of cows to optimize breeding.”
(农民们追踪母牛的发情周期以优化繁殖。)
in estrus — 描述雌性动物正处于发情状态,常用于兽医或动物繁殖领域。
“The veterinarian confirmed the panda was in estrus.”
(兽医确认这只熊猫正处于发情期。)