/ˈpʌblɪk siːl/ – Phrase
Definition: con dấu của cơ quan nhà nước.
A more thorough explanation: A public seal is a legal term referring to an official seal used by a government entity or public office to authenticate documents and attest to their validity. It is typically a stamp or impression that is affixed to official documents to signify that they have been officially approved or issued by the relevant authority. The use of a public seal is often required by law to give legal effect to certain documents or transactions.
Example: The public seal must be affixed to all official government documents to authenticate them.