rellena

In a sentence

• Por favor, rellena este formulario con tus datos personales.

  Please fill out this form with your personal information.

  In this sentence, 'rellena' refers to the action of completing a form by adding information to empty fields.

• Compré unas empanadas rellenas de carne y queso.

  I bought some empanadas stuffed with meat and cheese.

  Here, 'rellenas' is used to describe something (empanadas) that has been filled with a certain stuffing.

• Luego rellena el hueco en la pared con cemento.

  Then fill the hole in the wall with cement.

  In this context, 'rellena' represents the act of filling a physical space or hole with a material to cover it or fill it.