First of all, the main route of the transfer of the virus is through sexual intercourse.
首先, HIV病毒传染的主要途径是性交.
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Abstinence programs encourage children to refrain from sexual intercourse before marriage.
性节制项目鼓励青少年不要在婚前发生性交.
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To avoid pregnancy, you should abstain from unprotected sexual intercourse during your fertile days.
在受孕期内做爱, 如果采取相应的安全防护措施就可以避免意外怀孕.
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But also should prevent pair of sexual intercourse ability commutation idolatrous.
但也要防止对性交技位变换的盲目崇拜.
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接吻 、 握手 、 共用餐具 、 性交都不会引起传染.
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从前,在男女之间的人类生殖与性交非常紧密地铰链在一起.
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人工授精: 不经性交而将精子引进雌性动物阴道或子宫颈内的方法.
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Refuse all sexual intercourse , even those as relatively trivial as oral sex.
不要进行任何性行为, 连口交这样平常的事也别做.
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All science has done now is to let human beings reproduce without sexual intercourse.
现在科学的发展,只不过使人类可以不透过性关系而繁殖下一代.
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Commanders do allow sexual intercourse on the International Space Station, it has been disclosed.
有消息称,美国宇航局的指挥官日前做出明确表示,禁止宇航员在国际空间站发生性行为.
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Pictures of sexual intercourse were not allowed to be shown in public in the past.
在以前男女交欢的画像是不允许公开展示的.
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Brennan: Would you advise Parker that sexual intercourse at age 16 is a wise decision?
你觉得帕克在16岁的时候发生性行为是明智的决定 么 ?
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The increased risk from marijuana was more dangerous than sexual intercourse for a sedentary person.
对于久坐的人而言,抽大麻所增加的危险性比性行为还高.
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In the past, many societies had strong against sexual intercourse during menstruation.
从前, 许多社会强烈禁止在月经期间性交.
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