最后一部分是毛干，这是皮肤上的毛发，也就是我们所能看见的毛发。

The last part is the shaft and this is the hair which is above the skin and is, of course, what we can see.

youdao

请等待本系列的第3部分，也就是最后一部分。

Stay tuned for the third and final part of this series.

youdao

请等待本系列的第3部分，也就是最后一部分。

Stay tuned for the third and final part of this series.

youdao