[問卦] 雄性的奶頭是用來幹嘛的?消失
是這樣的,基本上哺乳類動物都有奶頭,
雌性因為可以哺乳所以有奶頭非常正常,
但雄性為什麼也需要奶頭?即不實用也不美觀啊,
有沒有雄性奶頭到底是用來幹嘛的八卦?
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我很認真欸,就算人類的乳頭可以用來調情,
但像貓、狗之類的動物性交並不需要乳頭啊,
公貓、公狗的乳頭可以幹嘛啊?
※ 編輯: plusonezero (61.231.18.120), 08/02/2017 18:09:09
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