※ 引述《knows0117 (小莊)》之銘言：
: 小弟實在百思不得其解？
: 到底女生喜歡粗還是長？
: 什麼姿勢比較容易高潮？
正解應該是龜頭大的 還有龜頭溝槽深的
這其實是有根據的 要從演化過程中說起
母猩猩常常跟多個公猩猩交配
這時呢 如果公猩猩的龜頭大溝槽深的話
就容易把對手的精液從陰道裡刮出來
所以在演化上是比較有優勢的
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但是拿到現在討論 其實也蠻合理
龜頭大溝槽深 也比較容易刺激到陰道內部
進而容易高潮
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