外观 资助维基百科 创建账号 登录 个人工具 资助维基百科
與人類從事的許多其他活動一樣，人類的性行為通常受到文化特異性和社會規則的差異影響。這些社會規則被稱為性倫理（規範什麼可以做什麼和不能做什麼）和性規範（什麼是期望和什麼是不被期望的）。
从事者之間的关系大致可分為配偶、亲密伴侣、偶然的性伴侶，以及匿名且陌生的性伴侶。這些關係包含：
The products that you've got gathered might be displayed under "Vocabulary Record". In order to duplicate vocabulary items for the vocabulary trainer, click "Import" in the vocabulary checklist.
英语、德语、法语、西班牙语、意大利语、葡萄牙语、俄语、波兰语、日语、简体中文
Nancy W. Denney; David Quadagno. Human Sexuality. Mosby-12 months Reserve. 2008: 273. ISBN 0801663741. Although the phrase intercourse will likely be used to make reference to the insertion from the penis in the vagina, It is usually accustomed to make reference to oral intercourse or anal intercourse wherein the penis is inserted in to the mouth or even the anus, respectively.
妙佑医疗国际健康通讯 — 免费书籍 - 妙佑医疗国际出版社妙佑医疗国际健康通讯 — 免费书籍
「性の話をもっと気軽にオープンに」を掲げ、性に関する動画をユーチューブで配信しているシオリーヌさん。その動画は若者を中心に注目を集めています。
此外，台湾的成人影片，充斥许多“业配”元素，譬如拍摄场景，情趣用品，台词以及身上的刺青，都会提到与片商合作的厂商名称，与日本欧美相比较，差异颇大。
[男女舒壓成人影片] 捷克按摩工作室台灣女櫃姐初次體驗情趣成人按摩推油，被男技師情色愛撫按摩無套做愛中出小穴
These cookies allow us to acknowledge and rely the volume of people and to discover how you employ and examine the Website. By way of example, they allow us to carry out statistical here Assessment of web site use, interactions, and paths you take as a result of the Website to boost its general performance.
What's hot on November's Chinese social platforms? Regarding the top of the 12 months, the time for yearly manner awards and parties, a series of Chinese beauties pics unquestionably became a warm subject matter on the Internet.
In many cultures around the globe, vaginal sex is exactly what is normally implied when individuals make reference to 'having sexual intercourse' or 'sexual intercourse.' It is the most often analyzed behavior and is usually the focus of sexuality instruction programming for youth.
You'll be able to e mail the site owner to allow them to know you were blocked. Remember to incorporate Anything you were being undertaking when this web site came up and also the Cloudflare Ray ID discovered at The underside of this site.