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"Along" is a preposition which is often translated as "a lo largo de", and "across" is a preposition which is often translated as "a través de". Learn more about the difference between "along" and "across" below.
along(
uh
-
lang
)A preposition is a word that indicates the relationship between a noun and another word (e.g., He ran through the door.).
a. a lo largo de
There is a creek that runs along the northern side of our town.Hay un arroyo que corre a lo largo de la parte norte de nuestro pueblo.
b. por
I'm going to walk along this path until I reach the end.Voy a caminar por este camino hasta que llegue al final.
An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
a. más adelante
The house you're looking for is along this road to the left.La casa que buscan está más adelante en esta calle a mano izquierda.
a. no direct translation
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
Feel free to bring your significant others along on the trip.Siéntanse con plena libertad de traer a sus parejas en el viaje.
I invited her for a romantic dinner, and she brought a friend along.La invité a una cena romántica, y se trajo a una amiga.
across(
uh
-
kras
)A preposition is a word that indicates the relationship between a noun and another word (e.g., He ran through the door.).
b. de un lado a otro
He walked across the store looking for the perfect toy for his son.Fue de un lado a otro de la tienda buscando el juguete ideal para su hijo.
a. enfrente de
My best friend lives across the street from us.Mi mejor amigo vive enfrente de nosotros.
3. (throughout)
An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).