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"Velocidades" is a form of "velocidad", a noun which is often translated as "speed". "Marchas" is a form of "marchar", an intransitive verb which is often translated as "to walk". Learn more about the difference between "velocidades" and "marchas" below.
la velocidad(
beh
-
loh
-
see
-
dahd
)A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
1. (quickness)
a. speed
Redujimos la velocidad porque comenzó a llover.We reduced our speed because it started to rain.
2. (physics)
a. velocity
Determina la velocidad promedio del automóvil durante la primera parte del viaje.Determine the average velocity of the car during the first half of the trip.
b. speed
Usa los datos de distancia y tiempo para calcular la velocidad del cometa.Use the data on distance and time to calculate the speed of the comet.
3. (automobile)
a. gear
Prefiero la transmisión automática porque se me complica cambiar de velocidades.I prefer automatic transmission because I find it hard to shift gears.
b. speed
Pon el coche en primera velocidad y ten cuidado con los demás automóviles.Put the car into first speed and be careful with the other cars.
marchar(
mahr
-
chahr
)An intransitive verb is one that does not require a direct object (e.g., The man sneezed.).
1. (to part)
3. (military)
a. to march
Los soldados marcharon de Alemania a Bélgica al comienzo de la Primera Guerra Mundial.The soldiers marched from Germany to Belgium at the beginning of World War I.
marcharse
A pronominal verb always uses a reflexive pronoun. (e.g., Te ves cansado.).
