धूमेन आव्रियते वह्नि: यथा आदर्शः मलेन च
यथा उल्बेन आवृतः गर्भ​: तथा तेन इदम् आवृतम्

धूमेनाव्रियते वह्निर्यथादर्शो मलेन च ।
यथोल्बेनावृतो गर्भस्तथा तेनेदमावृतम् ॥३:३८॥

dhoomenaavriyate vahniryathaadarsho malena cha
yatholbenaavrito garbhastathaa tenedamaavrittam ||3:38||

dhumena aavriyate vahnih yathaa aadarshah malena cha
yathaa ulbena aavritah garbhah tathaa tena idam aavritam

Purport Just as the fire is covered by the smoke and the foetus is covered by membrane, so is this covered by it.

धूमेन (dhoomena) -- by smoke
आव्रियते (aavriyate) -- covered; filled
वह्नि: (vahnih) -- fire
यथा (yathaa) -- as; just as
आदर्शः (aadarshah) -- mirror
मलेन (malena) -- by dust
च (cha) -- also; and
यथा (yathaa) -- just as
उल्बेन (ulbena) -- with/by membrane surrounding the womb
आवृतः (aavritah) -- is covered; surrounded
गर्भ​: (garbhah) -- foetus; embryo
तथा (tathaa) -- so; in that manner
तेन (tena) -- by it
इदम् (idam) -- this
आवृतम् (aavritam) -- is covered