"Use grassy."
Yes. That is a complete sentence.
A prairie is a grassy place.
The sniper who shot President Kennedy was proved to have been at the grassy knoll.
The horse had trotted across the grassy field.
Adjectives describe nouns. The adjective in that sentence is "grassy", and it's describing the noun "smell".
The farmland was wide and grassy.
Conspiracy theorists believe that a second shot came from the grassy knoll.
Let's have a picnic on this grassy knoll. The knoll provided an shaded viewing area for the parade. This knoll is higher than that knoll.
"ran"
Pampas is a plural proper noun referring to the region of grassy plains in northern Argentina; use it the same way you would use "Great Plains." In a sentence, one might say:"The Pampas include thousands of square miles of land in Argentina."or"Gee, that was a fun vacation we took to the Pampas."
Go let the cow graze in the grass.
Usually in grassy or watery areas.
you get a Pokemon that knows sweet scent and use it in a grassy patch