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"Curso" is a form of "curso", a noun which is often translated as "year". "Repetidor" is a noun which is often translated as "booster". Learn more about the difference between "curso" and "repetidor" below.
el curso(
koor
-
soh
)A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
a. year
Estoy en mi cuarto curso en la facultad de medicina.I'm in my fourth year of medical school.
c. academic year
El nuevo horario de clases entrará en vigor este curso.The new class schedule will take effect this academic year.
2. (class)
a. course
Este trimestre estoy tomando un curso de inglés y uno de francés.This semester I'm taking an English course and a French course.
3. (direction)
a. course
Las pruebas cambiaron el curso de la investigación.The new evidence changed the course of the investigation.
a. course
El curso del río desaparece bajo la montaña.The course of the river disappears under the mountain.
el repetidor, repetidor(
rreh
-
peh
-
tee
-
dohr
)A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
a. booster
Probablemente necesitemos un repetidor para tener mejor recepción en la tele.We'll probably need a booster to get a better TV reception.
b. booster station
El repetidor ha mejorado la señal de radio.The booster station has improved the radio signal.
This means that the noun can be masculine or feminine, depending on the gender of the noun it refers to (e.g., el doctor, la doctora).
2. (education)
a. student repeating the year
Los dos repetidores se comprometieron a mejorar sus calificaciones.The two students repeating the year committed themselves to improve their grades.
b. student repeating the course
La repetidora reprobó el examen final.The student repeating the course failed the final exam.
An adjective is a word that describes a noun (e.g., the big dog).
a. repeating the year
La niña repetidora extraña a sus excompañeros.The girl repeating the year misses her ex-classmates.
b. repeating the course
Los alumnos repetidores están haciendo un esfuerzo por aprobar esta vez.The students repeating the course are making and effort to pass this time.