Usage Note
Comprobar (o→ue stem change: compruebo, compruebas, comprueba, comprueban) means to verify or confirm that something is true or correct. It is more thorough than revisar ('to review/check over') — comprobar implies actually establishing the truth of a fact. Common in bureaucratic and technical contexts: comprobar el resultado ('to check the result').
Examples
"Comprueba que el documento esté firmado."
Natural Translation
Check that the document is signed.

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