Q听朋友说,胸毛多的男人性能力强。可我几乎没有胸毛,喉结也不是很明显。请问,这说明我的性能力弱吗?A男性的喉结、胸毛,女性的乳房、脂肪分布等都被称为第二性征,这是指两性除生殖器以外的差异。它们是男女生理差异的表现,但并不能和性能力画等号。第二性征主要是由于男女性腺(男性为睾丸、女性为卵巢)所分泌的性激素差异造成的。睾酮是 Q Listen to friends, men with chest hair and more sexual ability. But I almost no chest hair, Adam’s apple is not obvious. Excuse me, does this mean that my sexual ability is weak? A man’s Adam’s apple, chest hair, women’s breasts, fat distribution are called secondary sexual characteristics, which refers to the difference between genders than genital. They are manifestations of the physical differences between men and women, but they do not equate to sexual abilities. The second characteristic is mainly due to male and female gonads (male testicular, female ovarian) secretion of sex hormones caused by differences. Testosterone is