有关艾滋病的英语文章（最好是如何预防艾滋,英汉对照）其他有关艾滋方面的也行,英汉对照.
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有关艾滋病的英语文章（最好是如何预防艾滋,英汉对照）其他有关艾滋方面的也行,英汉对照.
有关艾滋病的英语文章（最好是如何预防艾滋,英汉对照）
其他有关艾滋方面的也行,英汉对照.
有关艾滋病的英语文章（最好是如何预防艾滋,英汉对照）其他有关艾滋方面的也行,英汉对照.
HIV cannot survive outside of the body for long.In addition,not all body fluids carry the virus,including tears,sweat,and saliva.Therefore the virus is not transmitted by touching or other casual contact that occurs in day-to-day social experiences like hugging,kissing,shaking hands,or sharing food or beverages.The virus is not transmitted if there is no sexual contact and no exchange of blood.HIV also is not transmitted in households,even when uninfected persons share toilets,showers,and kitchens with infected individuals.
Almost all sexual transmission of HIV occurs by unprotected vaginal or anal sex; transmission of HIV by oral sex is very rare.A few cases of HIV transmission probably have occurred from an uninfected person performing fellatio (oral-penile sex) on an HIV-infected partner,but transmission from an infected oral partner to an uninfected penile partner,or by cunnilingus (oral contact with female genitals) is even more rare,if it occurs at all.Condoms or other barriers are considered optional for HIV prevention,and should be considered by persons who want to assure maximum protection.
中文我懒得打了,追加些分吧,我再给你..累得很