This is the 5731st most frequent Spanish word.
requerían
"Requerían" means "they required" or "they were requiring."
In this sentence, 'requerían' expresses a past necessity or need experienced by the students.
Los estudiantes requerían más materiales para completar el proyecto.
The students required more materials to complete the project.
Here, 'requerían' indicates recurring necessity for plants in the past to thrive healthily.
Las plantas requerían agua regularmente para crecer sanas.
Plants required water regularly to grow healthy.
In this case, 'requerían' demonstrates an essential need in a past context.