yell提供的内容，In typical bird-sex,
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送交者: 克己明德 于 2008-12-02, 22:49:02:
回答: 泄殖腔交配?向毛主席保证我仔细看过并无插入 由 找老婆专用ID 于 2008-12-02, 20:10:43:
males introduce sperm into female bodies by pressing their sexual openings against the female's sexual opening, kiss-like.
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