This is the 3264th most frequent Spanish word.
béisbol
Baseball.
In this sentence, 'béisbol' functions as part of a noun phrase that specifies the kind of team ('equipo de béisbol').
El equipo de béisbol de nuestra ciudad ganó un campeonato importante.
Our city's baseball team won an important championship.
Here, 'béisbol' is the object of the noun 'reglas,' indicating the subject matter of what was learned.
Aprendí las reglas del béisbol en la escuela.
I learned the rules of baseball at school.
Here, 'béisbol' is used as the object of the verb 'jugar,' indicating the activity or sport being participated in.