Bonobos go the furthest in same - sex bonding with regular copulation among males.
倭黑猩猩在同性关系方面步子迈得更大,他们雄性之间经常交媾.
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He then made the action of copulation and broke the big stone.
说著就做出交媾的动作,把石头弄破.
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For Darwin, mate choice simply stopped at copulation.
对达尔文来说, 择偶仅仅停留在交尾.
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英英释义
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
