| 单词 | estrus |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔anestrous〕Not exhibiting estrus.未显示出动情期的美国传统〔anestrus〕An interval of sexual inactivity between two periods of estrus in mammals that breed cyclically.非求偶期，不动情期：周期繁殖的哺乳动物在两个求偶期之间的不动情期美国传统〔estrous cycle〕The recurrent set of physiological and behavioral changes that take place from one period of estrus to another.（雌性动物的）动情周期：从一个动情期到另一个时生理和行为产生改变的循环周期美国传统〔estrous〕Of, relating to, or being in estrus.动情期的，求偶期的：动情期，与动情期有关的或处于动情期的美国传统〔metestrus〕The period of sexual inactivity that follows estrus.后情期：动情后的性不活跃期美国传统〔proestrus〕The period immediately before estrus in most female mammals, characterized by development of the endometrium and ovarian follicles.发情前期：大多数雌性哺乳动物发情期前准备期，其特点是子宫内膜和囊状卵泡发育美国传统〔rut〕A condition or period of mammalian sexual activity, such as estrus.发情期：哺乳动物性交活动状况和时期，如动情期美国传统 |
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