Within a period of 60 days, his vocabulary went from two to three words to 300 words.
Sur une période de 60 jours, son vocabulaire passa de deux ou trois mots à 300 mots.
Within a period of 60 days, his vocabulary went from two to three words to 300 words.
Sur une période de 60 jours, son vocabulaire passa de deux ou trois mots à 300 mots.