To view this page ensure that Adobe Flash Player version 10.2.0 or greater is installed.
Either scripts and active content are not permitted to run or Adobe Flash Player version 10.2.0 or greater is not installed.
姓名: 单位: 联系方式:
虽然头发是我们身体的一部分,但是,我们对它知道得却太少。本片将为我们介绍头发数量、寿命、结构等知识。