El edificio principal.
edifisio
Edificio
"Building" in Spanish is "edificio".
main in spanish is "principal"
main
En que edificio estas?
Plato principal= main course
El edificio es bonito
construcción de complejos ...
Are you asking what the main food is of Spanish-speaking people? Or are you asking how to say the words "main food" in Spanish? Please clarify your question. But the main food of Spanish-speaking people is different from one Spanish-speaking country to another.
plato principal
Translation: Plato Principal
la calle principal
You would say esperanza usted.