The intimate contact of the female sex organs during coitus can give both partners great pleasure.
在性交合过程中,男女性器官的密切接触能够给双方带来愉悦.
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Still, some couples may hesitate to engage in coitus because of aesthetic objections to the bleeding.
尽管如此, 一些夫妇因为对经血的审美异议而不愿(在月经期)参与性交.
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Pregnancy can also be avoided from coitus while engaging in all other forms of sexual intercourse.
当投入所有其他形式的性行为时,避免性交也能够避孕.
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This, in turn, has increased their enjoyment of coitus.
继而, 这又增添了他们性交合的乐趣.
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The physiological significance of change of sex steroid levels after coitus will obviously require further investigation.
性交后性腺激素变化的意义有待进一步研究.
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Attention should be paid to the gistory of unclean coitus or uterine cavity operation.
因此,在诊断感染性疾病时应注意近期不洁同房史或宫腔手术史.
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They must, therefore, be inserted 10 to 15 minutes before each coitus.
所以, 每次性交前10-15分钟就必须放入阴道内.
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They may attempt coitus with calves, ponies, sheep, pigs, dogs, and even ducks or chickens.
他们可能尝试与小母牛 、 小马驹 、 绵羊 、 猪 、 狗 、 甚至与鸭或鸡交媾.
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This is not only ineffective, but may also interfere with coitus and cause discomfort.
这种做法不仅无效, 而且也可能干扰性交和导致不适.
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Reaching orgasm shortly after the beginning of coitus is a common female dysfunction.
性交开始不久后就达到性高潮是女性常见的性功能障碍.
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During sexual excitement, these walls secrete a watery substance which serves as a lubricant coitus.
在性兴奋期, 阴道壁分泌水样液体,以备性交时润滑的需要.
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Unfortunately, many men and women diminish their enjoyment of coitus by an overconcern with orgasm.
遗憾的是, 许多男女因过度关注性高潮而降低了性交合的乐趣.
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Most often, sexual dysfunctions are defined in relation to the ability to perform or enjoy coitus.
极为常见的是, 性功能障碍被定义为关乎进行或享受性交(阴道性交译者注)的能力.
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Their meeting is usually about as a result of coitus.
精卵相遇通常是性交的结果.
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I just employed the most ancient form of Coitus Interruptus, as the Romans called it.
我刚才使用最古老的避孕法, 那就是古代罗马人所称的**中断法.
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The most obvious and most reliable way of avoiding pregnancy is complete abstinence from coitus.
避免怀孕最显而易见和最可靠的方法是禁绝性交.
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