女性通过规律的性行为提高雌激素水平,同时可以提高大脑整体活跃度并且改善记忆力.
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Young people have a high risk of diseases spread by sexual activity, including AIDS.
年轻人很容易感染上由性行为传播的疾病, 其中就包括艾滋病.
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A majority of female characters engaged in some sexual activity, particularly those in major roles.
大部分的女性角色都会卷入性关系中, 特别是那些主角.
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The subject matter is sexual activity of any overt kind, which is depicted asdesirable and exciting.
主题是任何公开类型的性行为.根据描述,公开的性行为是令人渴望和兴奋的.
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There is unquestionably a tailing off of high-frequency sexual activity after the age of 50.
50岁之后的高性频率无可置疑地下降.
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而这里的证明它不只是一个属于女性的活动：研究表明，对于他们练习瑜伽的性表现，男性或者女性都有帮助。
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Only two consider "penis&vigina" activity is sexual activity, understanding would be too narrow.
只把“阴茎&阴道”的活动视为性行为太过狭隘了。这是小农主义思想的生殖崇拜思想。
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They did not, by contrast, orgasm more frequently during masturbation or other sexual activity.
相反，在手淫或其它性活动时她们不会频繁达到高潮。
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李安执导的电影《色戒》被删去了7分钟的性行为镜头，就罕见地引发了公众的抱怨。
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Activity Differences of Protective Enzymes in Cucumis sativus Plants with Different Sexual Types
不同性型黄瓜植株保护酶类活性的差异
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前部纹状体的活动迅速增强,这意味着性欲的加强.
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For a woman the menopause does not have to mean the end of her sexual activity.
对于女性,绝经期并不必定意味着性活动的终止.
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In fact, when female macaques groomed males, their services decreased sexual activity in males.
事实上, 雌性为雄性整理毛发的时候, 雄性的性活动会减少.
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Sexual activity as a trigger for cardiovascular events: What is the risk?
性活动作为心血管事件的诱发因素: 风险何在? (综述)
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Consensual sexual contact between two males can be a criminal activity.
两名男性之间发生的双方自愿的性接触可能会构成犯罪。
《柯林斯高阶英汉双解学习词典》
然而通过扫描发现,女性的大脑显示出情感的变化, 男性的大脑则出现与性有关的反应.
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