美 [ˈɔːrəl seks]
口交
oral sex //
不可数名词 Oral sex is sexual activity involving contact between a person's mouth and their partner's genitals. 口交
oral stimulation of the genitals
同义词： head
口交
Any type of sexual activity that leads to orgasm including masturbation, anal sex, oral sex and intercourse can trigger 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.
The most telling question in two days of oral arguments on same-sex marriage came yesterday in U.S. v.