vellus hair
US /ˈvel.əs her/
UK /ˈvel.əs her/
1.
毳毛, 汗毛
short, fine, light-colored, and barely noticeable hair that develops on most of a person's body during childhood
:
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Unlike terminal hair, vellus hair is very fine and lacks pigment.
与终毛不同，毳毛非常细且缺乏色素。
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During puberty, vellus hair can transform into terminal hair in certain areas.
在青春期，毳毛在某些区域可以转化为终毛。