名词交配; 交尾; 交媾，性交
1. 性交：coincidence learning一致學習 一致學習 | coition 性交 | coitophobia 恐性交症
2. 交 合：性 交 Sexual intercourse | 交 合 Coition | 开 苞 Depucelation;defloration
3. 交配：并发指数 coincidence index | 共整合子 cointegrate | 交配 coition
4. 同上：Serving as toilet(作为厕所服伺/给主人当厕所) | Coition 同上 | Copulation 交配
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noun
1. the act of sexual procreation between a man and a woman
the man's penis is inserted into the woman's vagina and excited until orgasm and ejaculation occur
Synonym: sexual intercourse intercourse sex act copulation coitus sexual congress congress sexual relation relation carnal knowledge