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单词 θ31033
释义
the world > animals > animal body > general parts > sexual organs and reproduction > [noun] > mating > formation of relationship during > relationship formed (1)
pair-bond1940

The relationship formed during the courtship and mating of a pair of animals, esp. when this persists longer than the minimum period necessary for…

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更新时间:2025/3/10 7:27:38