noun🔗Share牛虻，鼻蝇。 A biting fly of the genus Oestrus; a botfly."The farmer swatted at the Oestrus buzzing around his cattle, trying to prevent them from laying their eggs and causing further irritation. "那个农民拍打着在他牛群周围嗡嗡作响的牛虻，试图阻止它们产卵，以免造成更严重的骚扰。insectanimalbiologyChat with AIVocabulary GamePractice Reading
noun🔗Share叮咬，蜇。 A bite or sting."The child cried after the wasp's oestrus left a red mark on her arm. "孩子被黄蜂叮咬后哭了起来，手臂上留下了一个红印。physiologybiologyanimalChat with AIVocabulary GamePractice Reading
noun🔗Share发情期，性欲亢奋。 A passion or frenzy."The sudden oestrus for cleaning the entire house at 3 AM surprised everyone in the family. "凌晨三点突然像发情期一样地想把整个房子打扫干净，让全家人都感到惊讶。physiologysexanimalemotionbiologyChat with AIVocabulary GamePractice Reading
noun🔗Share发情期，动情期。 A female animal's readiness to mate; heat, rut."The farmer knew his cow was in oestrus because she was restless and bellowing more than usual, signaling her readiness to breed. "农场主知道他的母牛进入了发情期，因为她比平时更焦躁不安，叫声也更大，这表明她准备好交配了。animalphysiologysexbiologyChat with AIVocabulary GamePractice Reading
