עֲ֭טִינָיו מָלְא֣וּ חָלָ֑ב וּמֹ֖חַ עַצְמוֹתָ֣יו יְשֻׁקֶּֽה׃
Его ведра полны молока, И костный мозг его увлажнен.
Ibn Ezra
ממחים with things full of marrow—comp. ומוח and the marrow (Job. 21:24); ממחים is participle Pual—
Rashi
and marrow for your bones Heb. ושקוי, lit. moisture. That is the marrow, as the matter is stated (Job 21:24): “and the marrow of his bones is moistened.”