It has to do also with this sort of threatened virility.
这与越来越弱的男子气概有关。
A Dutchman named Comeille de Pauw announced in a popular work called Recherches Philosophiques sur les Americains that native American males were not only reproductively unimposing, but so lacking in virility that they had milk in their breasts.
有个名叫梅耶·波夫的荷兰人在
名叫《关于美洲人的哲学研究》的通俗作品中宣称,美洲的土著男人不但在繁殖方面给人印象不深,而且“如此缺乏生殖能力,他们的乳房都流着奶汁”。