It is usually felt in the middle of the lower abdomen, above the line of pubic hair as far up as the navel. 疼痛通常發(fā)生在下腹部中間，高于陰毛直至肚臍的位置。
It has long been assumed that pubic hair is a remnant of a furrier period in our evolutionary history, and that the real question is why the rest of the body lost its hirsuteness. 長(cháng)期以來(lái)一直認為，陰毛是人類(lèi)進(jìn)化史上有皮毛階段的殘余物，而真正的問(wèn)題在于為什么我們身體的其他地方所留下過(guò)多的毛發(fā)卻已經(jīng)不見(jiàn)了。
