體位C方便男人雙手活動，可以盡情挑逗女人的整個身體。而做愛採取側邊體位的最大好處，也許是男女雙方可以在完事之後，舒服地在彼此的手臂中進入夢鄉。
In several cultures world wide, vaginal intercourse is what is usually implied when individuals consult with 'getting sex' or 'sexual intercourse'. It's the most frequently researched habits and is frequently the main focus of sexuality education programming for youth.
女方如果性知识缺乏，便会因未知恐惧而产生焦虑、害怕等心理，在试图性交时发生阴道痉挛，即阴道周围的肌肉群发生不随意的痉挛反射，阴道口紧缩关闭，导致性生活无法进行。
.. The prevalent, unquestioned equation of penile–vaginal intercourse with sex demonstrates a failure to examine systematically 'whether the respondent's knowledge of the issue matches just what the researcher experienced in mind.'
我把下面的體位變化稱為「好過性愛」，適合喜歡運動的人。這體位能保持身體間的全面接觸，也增加骨盆的壓力和張力，也讓男人以腳作為支點，可以更緊密地抽插。以下是詳細解釋：
Nancy W. Denney; David Quadagno. Human Sexuality. Mosby-12 18+（18岁以上） months Guide. 2008: 273. ISBN 0801663741. Even though the term intercourse will likely be accustomed to make reference to the insertion on the penis to the vagina, It is additionally used to check with oral intercourse or anal intercourse through which the penis is inserted into the mouth or maybe the anus, respectively.
环球网版权作品，未经书面授权，严禁转载或镜像，违者将被追究法律责任。
This 'coming with each other' is usually recognized in heteronormative phrases as the penetration of a girl's vagina by a person's penis.
打开带有警告消息的帖子。找到“此推文可能包含敏感内容”的帖子，点击下面的更改设置。
隐私中心隐私政策往往又长又晦涩难懂。这就是为什么我们尽最大努力使我们的隐私政策简明扼要、清晰易读！了解更多
不想发生“找入口找半天，好不容易找到了却进不去”的尴尬场面，无论男女都一定要看。
内容警告：这些是应用于可能包含敏感或潜在冒犯性材料（如成人内容）的警告或标签。内容警告的目的是让用户做出是否查看该内容的明智决定，特别是保护未成年人和那些希望避免此类材料的人。
无论你是选择查看还是隐藏“敏感内容”，X 的隐私设置都能根据你的需求灵活调整。对于那些希望保护自己网络体验的用户来说，举报和屏蔽功能是不错的选择。而对于好奇心较强的用户，只需简单几步设置，就可以轻松探索这些被标记的内容。
As an example, Except if a lady is penetrated by a man's penis she remains technically a virgin even if she has had lots of sexual experience.