The hair vellus can also finish counting is nothing of a good photo.

显然，一张照片仅仅是非常清晰，照的毫毛也能数完是称不上好照片的。

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She's also developing a thin layer of very fine hair called lanugo which is normally shed and replaced with vellus hair by week 36.

她还长出了一层细绒毛，补称做胎毛，通常会在36周的时候脱落并被毫毛替代。

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She’s also developing a thin layer of very fine hair called lanugo, which is normally shed and replaced with vellus hair by week 36.

她还长出了一层细绒毛，补称做胎毛，通常会在36周的时候脱落并被毫毛替代。

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The Vellus Aureum wool fibers must measure a mere 13.9 microns (closer to the fineness of a cobweb).

WSJ: Ermenegildo Zegna Spins Fashion Gold | WSJ. Magazine May 2013

In both cases men (who are hairier than women, as measured by the density of follicles and the length of the vellus hair) were better off than women when the bugs were released on unshaven patches of skin, though there was no significant difference between the sexes when they were shaved.

ECONOMIST: Body hair

Ms Dean and Dr Siva-Jothy were testing the idea that fine body hairs (known, technically, as vellus and terminal hairs) are there to alert their owner to creepy crawlies such as bed bugs, which might be intent on biting them, and that the hair may also get in the way of such arthropods' activities, giving the owner more time to react before he is bitten.

ECONOMIST: Body hair