2. In fact, everyone's side will have a
heterosexual friends , of course, This is not necessarily your friends male or girlfriend.
其实每个人的身边都会有一个异性的知己,当然,这个知己不一定是你的男或者女朋友。
3. Clinical trials in which circumcision was performed on a group of adult
heterosexual men showed great promise in reducing the risk of AIDS.
临床试验上,对一组异性恋成年人实行的包皮环切手术,显示其在降低艾滋病风险方面的巨大前景。