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同义词： sodomy buggery anal intercourse
以上来源于: WordNet
Any type of sexual activity that leads to orgasm including masturbation, anal sex, oral sex and intercourse can trigger sex headaches.
CNN: Sex headaches
"There's been some speculation about whether teenagers were substituting oral or anal sex for vaginal sex and I found that wasn't so, " says Rosenbaum.
CNN: Virginity pledges don't mean much, study says
In a recent survey in Cambodia, 40% of men who had had anal sex with other men in the previous month had also had sex with women in that time.
ECONOMIST: The struggle against AIDS in Asia is far from over
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