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 oestrus ['istrəs]   添加此单词到默认生词本
n. 发情, 发情周期

[医] 狂蝇属




    oestrus
    [ noun ]
    1. applies to nonhuman mammals: a state or period of heightened sexual arousal and activity

    2. <noun.state>
    3. type genus of the Oestridae: sheep botflies

    4. <noun.animal>


    OEstrus \[OE]s"trus\, n. [L., a gadfly; also, frenzy, fr. Gr. ?
    gadfly; hence, sting, fury, insane desire, frenzy.]
    1. (Zo["o]l.) A genus of gadflies. The species which deposits
    its larv[ae] in the nasal cavities of sheep is {[oe]strus
    ovis}.

    2. A vehement desire.

    3. Specifically: (Physiol.) The periodical sexual impulse of
    animals; the period during which female animals are most
    receptive to males; heat; rut.
    [1913 Webster +PJC]

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