pu·bes·cent
adjective/pjuːˈbesnt/
/pjuːˈbesnt/
[usually before noun] (formal)- in the period of a person’s life when they are changing physically from a child to an adult
青春期的；到达发育期的 Word Originmid 17th cent.: from French, or from Latin pubescent- ‘reaching puberty’, from the verb pubescere.