Facts About Your Hair毛发趣闻
Did you know that a person has around 5 million hair follicles1 all over thebody？ We all have hair. It’s a natural part of the human body. Do you eversometimes wonder2 why we have it？ Here are some facts about it.
你知道一个人全身大约有500 万个毛囊吗？我们都有毛发，这是人体的自然组成部分。（剩余3947字）
