词汇 | estrous cycle |
释义 | estrous cycle noun [ C ] biology specialized (also estrus cycle); (UK also oestrous cycle, oestrus cycle) /ˈiː.strəs ˌsaɪ.kəl/ /ˈes.trəs ˌsaɪ.kəl/ (雌性动物)发情期,求偶期 the series of physical changes that a female animal repeatedly goes through, during which she becomes fertile (= able to become pregnant) and willing to mate (= have sex) Female llamas do not go into "heat" or have an estrous cycle. 雌性羊驼不会进入“发情”状态,也不会有发情周期。 There are drugs that stop the oestrous cycle without causing serious side effects. 有些药物可以停止动物的发情周期而不引起严重的副作用 Related word: estrus
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