性交

As buggery and the former theater at the spread of sexually transmitted diseases may have, in your性伴your penis and anus position before the close contact they should wear a condom - even if he does not insert.

由于肛交以及前戏时都有可能传播性病，在你的性伴的阴茎和你的肛门部位亲密接触前就应戴上安全套－即使他并不会插入。

The mildew colpitis represents as the leucorrhea increasing, white, seems like the residue of bean curd, companioning with pudendum itching, the wall of vagina red, painful during sexual intercourse.

霉菌性阴道炎表现为白带增多、色白、呈豆腐渣样，伴有外阴瘙痒、阴道壁赤红、性交痛，严重者可引起尿道炎症而出现尿急尿频尿痛。

We copulate, as they do. They have penises and vaginas, as we do, and the fact that the vagina of a calf can be sexually satisfying to a man shows how similar these organs are.

我们性交，它们也如此，它们和我们一样有阴茎和阴道，而小牛的阴道能让一个男人感到性满足，这就凸显了这些器官是如何的相似。

Women may try cunnilingus just as a means of stimulation before they proceed to other forms of sexual intercourse, or they may practice it for its own sake and continue it through orgasm.

女性试着舔阴可能只是作为进入其他性交方式前的一种性刺激方式，或者由于她们自身的原因而喜欢这种方式并一直持续直到达到高潮。

Erotomania.(gr. love craze) The word, formerly often used by disapproving psychiatrists, refers to a person's frequent wish to have sexual intercourse or to change sexual partners.

色情狂 这个词过去常常被好抱怨的精神病医生所使用，意指一个人时常想要性交或更换性伴的愿望。

Rape and sexual harassment were common, and women would be forced to perform sexual favors to excuse finable violations.

强奸和性虐是很普遍的现象，女性被迫性交来减免那些违例的罚款。

I don't have any hang-ups or negative moralistic views of sex… I think that safe sex is a beautiful and healthy thing.

我对于性爱并没有任何心理障碍或者是消极的说教态度……我认为正常的性交是一件美妙的和有益健康的事情。

"This time he disrobed from the waist down and had sex with me," she claims.

这次他赤裸下身然后和我性交』，她说，『和一般性交没有差别。

It is the bearing rules and common senses having been recognized by human beings for a long time, that only during the ovulation period and after the sexual behavior, can the sperm and ovum can meet and can ovum be fecundated.

人类生育有效性交，是在女性排卵期。只有在女性的排卵期，男女合房性交，男性的精子和女性的卵子才相遇，女性卵子才能受精，这是早已被人类认识了的生育规律和常识。

On the basis of reviewing the synthesis and application of crosslinked amphoteric polymer, a series of crosslinked amphoteric starches and water absorbents was synthesized, as well as their capacity were studied.

本文在综述吸附性交联两性高分子合成及应用的基础上，较为系统地研究了交联两性淀粉、两性吸水树脂的各项性能。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。