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In lots of cultures all over the world, vaginal sexual intercourse is what will likely be implied when men and women check with 'getting intercourse' or 'sexual intercourse'. It's the most frequently analyzed behavior and is frequently the main focus of sexuality instruction programming for youth.
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In lots of cultures worldwide, vaginal sexual intercourse is exactly what is often implied when men and women make reference to 'having sexual intercourse' or 'sexual intercourse.' It's the most frequently studied conduct and is usually the focus of sexuality training programming for youth.
这是女人最向往的时候，也是女人幸福“死”了的时候。在最后射的时候，要大声呻吟，最好是叫着女人的昵称，让女人感到他快要释放了，这时的女人感到非常满足，因为她让男人在她身体里射了，而且那么“没用”，其实是女人高兴男人“真棒”。
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後進體位的唯一缺點，就是太過刺激，所以跟其他體位相比，男人會更快達到高潮。
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This 'coming alongside one 成熟内容 another' is usually recognized in heteronormative conditions since the penetration of a lady's vagina by a man's penis.
性愛姿勢做法：一人臥躺，一條腿擱在上位者的肩膀上。上位者可以像從前面一樣進入。
.. The widespread, unquestioned equation of penile–vaginal intercourse with sex reflects a failure to examine systematically 'whether the respondent's understanding of the problem matches just what the researcher had in mind.'
一开始的性交体位最好选择成功率较高的后入式、传教士体位或女上位，然后再根据双方喜好选择适合的体位。
性愛姿勢做法：這是狗趴式的變化版。對方四肢著地趴下、臀部抬高，你從後面用手指或假陽具進入他的身體。