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"Veinte" is an adjective which is often translated as "twenty", and "a las siete" is a phrase which is often translated as "at seven". Learn more about the difference between "veinte" and "a las siete" below.
veinte(
beyn
-
teh
)
An adjective is a word that describes a noun (e.g., the big dog).
adjective
a. twenty
Tiene veinte canicas dentro de la bolsa.He has twenty marbles inside his bag.
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
masculine noun
a. twenty
Diez por dos son veinte.Ten times two is twenty.
b. twentieth (in dates)
El veinte del mes que viene me voy a España.I'm going to Spain on the twentieth of next month.
a. twenties
¿Te imaginas cómo habrá sido vivir en París en los veinte?Can you imagine what it would have been like to have lived in Paris in the twenties?
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a las siete(
ah
 
lahs
 
syeh
-
teh
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. at seven
¿Quieres que vayamos a tomar algo juntos después del trabajo? Yo salgo a las siete.Would you like to have a drink with me after work? I finish at seven.
b. at seven o'clock
El despertador sonó a las siete.The alarm clock went off at seven o'clock.
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