Laboriously in spanish

Laboriosamente

pronunciation: lɑboʊɹ̩ioʊsɑmente part of speech: adverb
In gestures

laboriously = laboriosamente, trabajosamente, con dificultad. 

Example: First, 45 or 50 percent of that file consists of Library of Congress MARC records, the integrity of which is laboriously insured by manual methods.
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