| 单词 | 发情期 |
| 释义 | 〔monestrous〕Having one estrous cycle per year. Used of certain mammals.雌雄同体的：每年有一次发情期的。用于某些哺乳动物〔rut〕An annually recurring condition or period of sexual excitement and reproductive activity in male deer.雄鹿周期性发情期：雄鹿一年一次的发情和繁殖活动时期和状况〔diestrus〕The sexually inactive period of the estrous cycle.间情期：发情期内性欲不活跃阶段〔bell〕The bellowing or baying cry of certain animals, such as a deer in rut or a beagle on the hunt.吼叫声：某些动物的吼叫或吠声，如发情期的鹿或正在追猎中的小猎兔犬〔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〔gossamer〕somer [summer] [probably from the abundance of gossamer during early autumn when geese are in season] * see summer 1somer [夏天] [可能源于初秋期间当鹅处于发情期时，蛛丝的数量较多] * 参见 summer1〔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 |
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