男人这时不该脱裤子，一任阴茎胀着，一边继续亲吻，一边用双手同时去摸她的胸部。先是轻轻的摸索乳房，然后再把所有的注意力全部集中到最高点上来，这时女人的那里也会勃起，相信她的下体已经非常湿了。
In many cultures around the globe, vaginal sex is exactly what will likely be implied when persons check with 'having intercourse' or 'sexual intercourse'. It's the most often examined conduct and is commonly the main focus of sexuality schooling programming for youth.
如果你的伴侶在性交時候抱怨疼痛，可能是因為你的陰莖撞擊到她的子宮頸或者子宮；可以嘗試變換姿勢。也可能是你弄疼她外陰切開術的傷口，不然性病也可能造成疼痛。
In lots of cultures all over the world, vaginal intercourse is what will likely be implied when folks refer to 'possessing sex' or 'sexual intercourse.' It's the most often researched conduct and is often the focus of sexuality training programming for youth.
This 'coming alongside one another' is generally recognized in heteronormative conditions as the penetration of a girl's vagina by a man's penis.
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性愛姿勢做法：兩人面對面坐在床上，腿伸向對方，手臂撐在後面。接著雙方胯下靠近。對方的臀部會在你的雙腿中間，你的膝蓋彎曲、腿在他的臀部兩側、腳踩床上。 然後開始前後擺動身體。
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如果性交不能一次成功，可分次进行，或再增加前戏爱抚，也可用润滑液辅助进入，避免阴道撕裂，减少疼痛的。
生育過的女人若採取這體位，G點會受到更大的刺激。因為她們的陰道較有彈性，G點也較容易讓陰莖接觸到。
讓女人蜜水狂噴的「陰道高潮」是什麼？專家揭開神秘面紗，教你如何達到陰道高潮
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。