https://www.sciencefocus.com/science/the-mystery-of-language-how-children-learn-to-speak-their-mother-tongue/
origin - https://www.pipiscrew.com/?p=15721 how-children-learn-to-speak-their-mother-tongue
https://www.sciencefocus.com/science/the-mystery-of-language-how-children-learn-to-speak-their-mother-tongue/
origin - https://www.pipiscrew.com/?p=15721 how-children-learn-to-speak-their-mother-tongue