Many times (at least several times a week) I would feel a lot of air in my stomach - mostly after eating or drinking soda or whatever. It was okay for a while, but I didn't think it was normal for me to produce that much gas in my stomach and for me to be unable to burp.
In molecular genetics, a repressor is a DNA-or RNA-binding protein that inhibits the expression of one or more genes by binding to the operator or associated silencers.
causing repugnance or aversion: a repulsive mask. 2. capable of causing repulsion; serving to repulse: to present enough repulsive force to keep the enemy from daring to attack. 3. tending to drive away or keep at a distance; cold; forbidding: arrogant, repulsive airs to frighten the timid.