Still another method is vaginal douching after coitus or, in other words, the washing out of the vagina with some sort of solution in the hope of removing the sperm.

還有一種方法国产三区精品免费视频，叫性交后陰道灌洗，既為抱著祛除精子的希望wwwjizzjizzjizz，用某種液體清洗陰道一级黄片;一被-。

Still another method is vaginal douching after coitus or, in other words, the washing out of the vagina with some sort of solution in the hope of removing the sperm.

還有一種方法久久免费看片一级，叫性交后陰道灌洗，既為抱著祛除精子的希望大战黑人AV无码，用某種液體清洗陰道欧美性爱一级shipin。

Removing the penis from the vagina before the man ejaculates as a form of contraception; pulling out.

在男人射精前把陰莖移出女人的陰道，以此作為避孕的一種方式人人操人人干人人乐综合色站。抽出久久久久精品极品。

It simply means that, when having intercourse, the man suddenly withdraws his penis from the woman's vagina just before he ejaculates (this does not interrupt the coitus, but actually ends it).

意思很簡單，那就是當進行性交時操操操草草草，男方在射精前驟然把他的陰莖抽離陰道（這并不是性交中斷嘿咻嘿咻无码免费视频，而是終止性交）。

The ejaculates of three to four male goats, 2-3-year-old, were obtained by the artificial vagina method of collection with the aid of a female serving as dummy and then diluted with equal volume.

結(jié)果顯示川東白山羊1歲時的陽性精子率為39.34%±13.76%天天免费操一操，4歲時降為23.40%±19.37%超碰国产精品无码日韩，與1歲和2歲時相比，差異顯著99热99re6国产在线播放；南江黃羊的陽性精子率最高亚洲色欲色欲天天天，波爾山羊最低；并篩選到一種山羊精子和外源DNA處理方法玖玖玖在线精品免费视频。

Some people undertake above method practices, still cannot ejaculate inside the vagina, can use the following method: The wife uses hand fingering penis, make the husband ejaculates outside body, on the place of external genital organs that lets seminal fluid shoot a wife.

有的人進行以上方法練習(xí)肏屄直接看，仍不能在陰道內(nèi)射精，可采用以下方法：妻子用手撫弄陰莖三级日韩欧美第一页，使丈夫在體外射精国产毛片无码特级毛片无码，讓精液射到妻子的外生殖器部位上。

"At orgasm the muscle tension is quickly released ; the penis contracts repeatedly, ejaculating semen; the vagina contracts regularly."

在高潮期人人看人人插人人摸，神經(jīng)肌肉的緊張很快得到緩解国产精品视频一区二区啪视频；陰莖反復(fù)收縮，射出精液羞羞色院91精品网站；陰道有規(guī)律的收縮2020亚洲高清一区二区。

Did you know that when a vagina gets engorged...

你們知道當陰道腫脹時

Work your way slowly, flicking your tongue all around the vagina.

您的工作方式，慢慢地久久人人澡人人爽人人爱， flicking您的母語欧美一级牲交黄片在线，所有周圍的陰道。

But vaginitis when sex will be very uncomfortable Oh, pay close attention to see it: will let you have different feelings: vaginitis is due to pathogenic microorganisms (including Gonococci, mold, micro-organisms such as trichomonas) infection caused by inflammation of the vagina.

而且有陰道炎的時候www.欧美激情69，做愛會很不舒服哦青春草在线视频按摩按，抓緊去看吧：）會讓你有不同的感受：）陰道炎是由于病原微生物（包括淋病雙球菌、霉菌中字无码AV电影在线观看网站、滴蟲等微生物）感染而引起的陰道炎癥国产美女精品视频线免费播放软件。