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"Curso" is a form of "curso", a noun which is often translated as "year". "Primeros auxilios" is a plural noun which is often translated as "first aid". Learn more about the difference between "curso" and "primeros auxilios" below.
el curso(
koor
-
soh
)
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
masculine noun
a. year
Estoy en mi cuarto curso en la facultad de medicina.I'm in my fourth year of medical school.
b. school year (grade school)
El curso acaba en junio.The school year ends in June.
c. academic year
El nuevo horario de clases entrará en vigor este curso.The new class schedule will take effect this academic year.
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.
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.
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los primeros auxilios(
pree
-
meh
-
rohs
 
owk
-
see
-
lyohs
)
A plural noun indicates that there is more than one person, place, thing, or idea.
plural noun
a. first aid
Hicimos un curso gratuito de primeros auxilios en el hospital.We took a free course on first aid at the hospital.
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