English ⇄ Arabic Bulgarian Chinese Czech Danish Dutch English Esperanto Estonian Finnish French German Greek Hungarian Irish Italian Japanese Latvian Lithuanian Maltese Norwegian Bokmål Polish Portuguese Romanian Russian Serbian Latin Slovak Slovene Spanish Swedish Ukrainian Uzbek

English	Russian
underlying bed	ложе
underlying bedrock	подошва
underlying chemistry	химизм процесса (transler)
underlying residue	лежащий в основе остаток (VladStrannik)