This is the 9877th most frequent Spanish word.
bici
"Bike" or "bicycle."
In this sentence, 'bici' is used as a noun to represent the person's bicycle.
Voy a la tienda en mi bici nueva.
I am going to the store on my new bike.
Here, 'bici' refers to the subject's bike, emphasizing possessing and action.
Ella arregló su bici después de la lluvia.
She repaired her bike after the rain.
The term 'bici' is used to denote the activity of biking in the sentence context.