问题描述: What is the average length of people's penis? 1个回答 分类:英语 2014-09-22 问题解答: 我来补答 While results vary across studies,the consensus is that the average erecting human penis isapproximately 12.9–15 cm (5.1–5.9 in) in length with 95% of adult males falling within the interval (10.7 cm,19.1 cm) or (4.23 in,7.53 in). 展开全文阅读