cunnilingus

Other practices, such as fellatio and cunnilingus appear to be relatively, but not absolutely, safe.

其他如口淫或舐阴等性方式则相对而非绝对安全。

Performing oral sex on a woman (cunnilingus) is in no way a risk for HIV infection.

这句话的意思是：（男性）对女性实施口交（舔阴）的行为没有感染HIV的风险。

perform cunnilingus on sb

对某人作舐阴举动.

cunnilingus

n. 舔阴(以舌或唇刺激女性生殖器的行为) =cunnilinctus