Definição em inglês:
Once means one time in the past, or as soon as something happens. It connects time and action.
Frases:
I went there once.
He doesn’t forget once he learns.
Once you finish, tell me.
Once they started, they couldn’t stop.
Sinônimos: one time, when, as soon as, after
Tradução:
Once significa uma vez no passado ou assim que algo acontece. Liga ideia de tempo com ação.