relatedness
/rɪˈleɪtɪdnəs/ 11GRERelatedness refers to the desire to feel loved, connected to others, and meaningfully involved with the broader social world.
noun [抽象名词]关联性；关系；亲缘
Traditionally the relatedness of species has been ascertained by a close comparison of their anatomy.
传统上，物种的亲缘关系是通过对它们的解剖结构的密切比较来确定的。
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