Is this girl nervous or disgusted of me?

I barely know the girl and I had Brief convo with her when I was helping her out. When she sees me she smiles and says hi. So one time she saw me and I was in my car, she smiled waved hi and look away afterwards. Then just today we were walking opposite directions made eye contact and she look down and then as we got closer she looked up. Smiled and waved hi. Yes I am interested in her.

*my bad grammar police for run on sentences.*

Updates
+1 y
So I just seen girl in the laundry room, said wassup and she just left. Didn’t say a word.
Is this girl nervous or disgusted of me?
Post Opinion