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人是万物之灵,可以说,在几乎所有哺乳类动物中,只有人类超凡脱俗,在长期的生物进化过程中褪去了厚厚的体毛,露出了光洁细腻的皮肤。然而,在身体的某些部位,人类不仅保留了毛发,而且使之更加发达、浓密,像头发、胡须、阴毛等,这与性功能,尤其是性吸引有密切的关系。有的毛发于性成熟时出现,男女性欲旺盛时期毛发也最为密集。
Man is the Spirit of All Things. It can be said that in almost all mammals, only human beings are unsophisticated and faded thick body hair during long-term biological evolution, revealing smooth and delicate skin. However, in some parts of the body, human beings not only retain the hair, but also make it more developed and dense, like hair, beard, pubic hair and so on, which is closely related to the sexual function, especially the sexual attraction. Some hair occurs when the sexual maturity, men and women during the period of sexual desire is also the most intensive hair.