| 释义 |
in.ter.course SEXH5In7tE7kC:s, $-tL7kC:rsn [U]the sexual activity in which the male's penis enters the female's vagina, or the sexual activity in which a male's penis enters another male's (or a female's) ANUS性交，交媾vaginal/anal intercourse阴道／肛门交媾By 1991 24% of all HIV infections were as a result of sexual intercourse between men and women.截至1991年，24%的艾滋病病毒感染都是通过男女间的性交行为导致的。Our survey reveals that most couples have intercourse four times a week.我们的调查表明大多数夫妻每周过4次性生活。
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