vs 

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"Una vez" is a phrase which is often translated as "once", and "dos veces" is a phrase which is often translated as "twice". Learn more about the difference between "una vez" and "dos veces" below.
una vez(
oo
-
nah
 
behs
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. once
Conozco a María porque coincidimos una vez en una fiesta.I know Maria because we once met at a party.
b. one time
Solo he ido a ese restaurante una vez desde que me mudé.I've only been to that restaurant one time since I moved.
a. once
Una vez finalizada la tarea, cierra el entorno de programación.Once the task is finished, close the programming environment.
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dos veces(
dohs
 
beh
-
sehs
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. twice
Esta semana fui dos veces al cine.I went to the cinema twice this week.
a. twice
Se descubrió un exoplaneta que es dos veces mayor que la Tierra.An exoplanet has been discovered that is twice the size of the Earth.
a. two batches
Como no caben todas las galletas en la bandeja del horno, habrá que hornearlas en dos veces.As there's no space for all the cookies in the oven tray, we'll have to bake them in two batches.
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