arricchire (ww):
verrijken(en) to increase the amount of one isotope in a mixture of isotopes.
(en) to make rich(er).
(en) to add nutrients or fertilizer to the soil; to fertilize.
(ru) делать богатым (более богатым)., begiftigen(en) to enrich or furnish with some faculty or quality., doteren(en) to enrich or furnish with some faculty or quality., uitbreiden(en) improve something by adding features., verbeteren(en) improve something by adding features.
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