/əkˈnɒlɪdʒmənt əv pəˈtɜːnɪti/ – Pharse
Definition: thừa nhận tư cách là cha.
A more throughout explanation: A formal document signed by a man declaring that he is the biological father of a child. This document is often used in legal proceedings, especially in cases involving child custody, support, or inheritance.
Example: John Doe signed an acknowledgment of paternity, confirming that he is the biological father of Jane Smith.